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Matthews K, Cavagnaro T, Weinstein P, Stanhope J. Health by design; optimising our urban environmental microbiomes for human health. ENVIRONMENTAL RESEARCH 2024; 257:119226. [PMID: 38797467 DOI: 10.1016/j.envres.2024.119226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 05/13/2024] [Accepted: 05/24/2024] [Indexed: 05/29/2024]
Abstract
Humans have evolved in direct and intimate contact with their environment and the microbes that it contains, over a period of 2 million years. As a result, human physiology has become intrinsically linked to environmental microbiota. Urbanisation has reduced our exposure to harmful pathogens, however there is now increasing evidence that these same health-protective improvements in our environment may also be contributing to a hidden disease burden: immune dysregulation. Thoughtful and purposeful design has the potential to ameliorate these health concerns by providing sources of microbial diversity for human exposure. In this narrative review, we highlight the role of environmental microbiota in human health and provide insights into how we can optimise human health through well-designed cities, urban landscapes and buildings. The World Health Organization recommends there should be at least one public green space of least 0.5 ha in size within 300m of a place of residence. We argue that these larger green spaces are more likely to permit functioning ecosystems that deliver ecosystem services, including the provision of diverse aerobiomes. Urban planning must consider the conservation and addition of large public green spaces, while landscape design needs to consider how to maximise environmental, social and public health outcomes, which may include rewilding. Landscape designers need to consider how people use these spaces, and how to optimise utilisation, including for those who may experience challenges in access (e.g. those living with disabilities, people in residential care). There are also opportunities to improve health via building design that improves access to diverse environmental microbiota. Considerations include having windows that open, indoor plants, and the relationship between function, form and organization. We emphasise possibilities for re-introducing potentially health-giving microbial exposures into urban environments, particularly where the benefits of exposure to biodiverse environments may have been lost.
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Affiliation(s)
- Kate Matthews
- College of Science and Engineering, Flinders University, Bedford Park, SA, Australia; School of Agriculture, Food and Wine, The University of Adelaide, Adelaide, SA, Australia
| | - Timothy Cavagnaro
- College of Science and Engineering, Flinders University, Bedford Park, SA, Australia; School of Agriculture, Food and Wine, The University of Adelaide, Adelaide, SA, Australia; Environment Institute, The University of Adelaide, Adelaide, SA, Australia
| | - Philip Weinstein
- Environment Institute, The University of Adelaide, Adelaide, SA, Australia; School of Public Health, The University of Adelaide, Adelaide, SA, Australia; South Australian Museum, Adelaide, SA, Australia
| | - Jessica Stanhope
- Environment Institute, The University of Adelaide, Adelaide, SA, Australia; School of Allied Health Science and Practice, The University of Adelaide, Adelaide, SA, Australia.
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Grönroos M, Jumpponen A, Roslund MI, Nurminen N, Oikarinen S, Parajuli A, Laitinen OH, Cinek O, Kramna L, Rajaniemi J, Hyöty H, Puhakka R, Sinkkonen A. Using patterns of shared taxa to infer bacterial dispersal in human living environment in urban and rural areas. Appl Environ Microbiol 2024:e0090324. [PMID: 39230286 DOI: 10.1128/aem.00903-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2024] [Accepted: 07/26/2024] [Indexed: 09/05/2024] Open
Abstract
Contact with environmental microbial communities primes the human immune system. Factors determining the distribution of microorganisms, such as dispersal, are thus important for human health. Here, we used the relative number of bacteria shared between environmental and human samples as a measure of bacterial dispersal and studied these associations with living environment and lifestyles. We analyzed amplicon sequence variants (ASVs) of the V4 region of 16S rDNA gene from 347 samples of doormat dust as well as samples of saliva, skin swabs, and feces from 53 elderly people in urban and rural areas in Finland at three timepoints. We first enumerated the ASVs shared between doormat and one of the human sample types (i.e., saliva, skin swab, or feces) of each individual subject and calculated the shared ASVs as a proportion of all ASVs in the given sample type of that individual. We observed that the patterns for the proportions of shared ASVs differed among seasons and human sample type. In skin samples, there was a negative association between the proportion of shared ASVs and the coverage of built environment (a proxy for degree of urbanization), whereas in saliva data, this association was positive. We discuss these findings in the context of differing species pools in urban and rural environments. IMPORTANCE Understanding how environmental microorganisms reach and interact with humans is a key question when aiming to increase human contacts with natural microbiota. Few methods are suitable for studying microbial dispersal at relatively large spatial scales. Thus, we tested an indirect method and studied patterns of bacterial taxa that are shared between humans and their living environment.
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Affiliation(s)
- M Grönroos
- Faculty of Biological and Environmental Sciences, University of Helsinki, Lahti, Finland
| | - A Jumpponen
- Division of Biology and Ecological Genomics Institute, Kansas State University, Manhattan, Kansas, USA
| | - M I Roslund
- Natural Resources Institute Finland, Helsinki, Finland
| | - N Nurminen
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - S Oikarinen
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - A Parajuli
- Faculty of Biological and Environmental Sciences, University of Helsinki, Lahti, Finland
- Department of Medicine, Karolinska Institutet, Huddinge, Sweden
| | - O H Laitinen
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - O Cinek
- Department of Medical Microbiology, 2nd Faculty of Medicine, Charles University, Prague, Czech Republic
| | - L Kramna
- Department of Medical Microbiology, 2nd Faculty of Medicine, Charles University, Prague, Czech Republic
| | - J Rajaniemi
- Faculty of Built Environment, Tampere University, Tampere, Finland
| | - H Hyöty
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
- Fimlab Laboratories, Pirkanmaa Hospital District, Tampere, Finland
| | - R Puhakka
- Faculty of Biological and Environmental Sciences, University of Helsinki, Lahti, Finland
| | - A Sinkkonen
- Natural Resources Institute Finland, Helsinki, Finland
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Yang L, Chen H, Gao H, Wang Y, Chen T, Svartengren M, Norbäck D, Wei J, Zheng X, Zhang L, Lu C, Yu W, Wang T, Ji JS, Meng X, Zhao Z, Zhang X. Prenatal and postnatal early life exposure to greenness and particulate matter of different size fractions in relation to childhood rhinitis - A multi-center study in China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 938:173402. [PMID: 38797418 DOI: 10.1016/j.scitotenv.2024.173402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 05/18/2024] [Accepted: 05/19/2024] [Indexed: 05/29/2024]
Abstract
The impact of early life exposure to residential greenness on childhood rhinitis and its interaction with particulate matter (PM) of different size fractions remain inconsistent. Herein, we recruited 40,486 preschool children from randomly selected daycare centers in 7 cities in China from 2019 to 2020, and estimated exposure to residential greenness by the normalized difference vegetation index (NDVI) with a 500 m buffer. Exposure to ambient PM (PM1, PM2.5, and PM10) was evaluated using a satellite-based prediction model (daily, at a resolution of 1 km × 1 km). By mixed-effect logistic regression, NDVI values during pregnancy, in the first (0-1 year old) and the second (1-2 years old) year of life were negatively associated with lifetime rhinitis (LR) and current rhinitis (CR) (P < 0.001). PM in the same time windows was associated with increased risks of LR and CR in children, with smaller size fraction of PM showing greater associations. The negative associations between prenatal and postnatal NDVI and LR and CR in preschool children remained robust after adjusting for concomitant exposure to PM, whereas the associations of postnatal NDVI and rhinitis showed significant interactions with PM. At lower levels of PM, postnatal NDVI remained negatively associated with rhinitis and was partly mediated by PM (10.0-40.9 %), while at higher levels of PM, the negative associations disappeared or even turned positive. The cut-off levels of PM were identified for each size fraction of PM. In conclusion, prenatal exposure to greenness had robust impacts in lowering the risk of childhood rhinitis, while postnatal exposure to greenness depended on the co-exposure levels to PM. This study revealed the complex interplay of greenness and PM on rhinitis in children. The exposure time window in prenatal or postnatal period and postnatal concomitant PM levels played important roles in influencing the associations between greenness, PM and rhinitis.
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Affiliation(s)
- Liu Yang
- Institute of Environmental Science, Shanxi University, Taiyuan, 030006, China
| | - Han Chen
- Department of Environmental Health, School of Public Health, NHC Key Laboratory of Health Technology Assessment (Fudan University), Fudan University, Shanghai 200032, China
| | - Huiyu Gao
- Institute of Environmental Science, Shanxi University, Taiyuan, 030006, China
| | - Ying Wang
- Institute of Environmental Science, Shanxi University, Taiyuan, 030006, China
| | - Tianyi Chen
- Department of Environmental Health, School of Public Health, NHC Key Laboratory of Health Technology Assessment (Fudan University), Fudan University, Shanghai 200032, China
| | - Magnus Svartengren
- Department of Occupational and Environmental Medicine, Uppsala University Hospital, 751 85 Uppsala, Sweden
| | - Dan Norbäck
- Department of Occupational and Environmental Medicine, Uppsala University Hospital, 751 85 Uppsala, Sweden
| | - Jing Wei
- Department of Atmospheric and Oceanic Science, Earth System Science Interdisciplinary Center, University of Maryland, College Park, MD, USA
| | - Xiaohong Zheng
- School of Energy & Environment, Southeast University, Nanjing 210096, China
| | - Ling Zhang
- Department of Environmental Hygiene and Occupational Medicine, School of Public Health, Medical College, Wuhan University of Science and Technology, Wuhan 430065, China
| | - Chan Lu
- Department of Occupational and Environmental Health, School of Public Health, Xiangya Medical College, Central South University, Changsha 410078, China
| | - Wei Yu
- Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Chongqing University, Chongqing 400030, China
| | - Tingting Wang
- School of Nursing & Health Management, Shanghai University of Medicine & Health Sciences, Shanghai 201318, China
| | - John S Ji
- Vanke School of Public Health, Tsinghua University, Beijing 100084, China
| | - Xia Meng
- Department of Environmental Health, School of Public Health, NHC Key Laboratory of Health Technology Assessment (Fudan University), Fudan University, Shanghai 200032, China; Key Laboratory of Public Health Safety of the Ministry of Education, Shanghai Typhoon Institute/CMA, Shanghai Key Laboratory of Meteorology and Health, Shanghai 200030, China; IRDR International Center of Excellence on Risk Interconnectivity and Governance on Weather/Climate Extremes Impact and Public Health, Fudan University, Shanghai 200438, China.
| | - Zhuohui Zhao
- Department of Environmental Health, School of Public Health, NHC Key Laboratory of Health Technology Assessment (Fudan University), Fudan University, Shanghai 200032, China; Key Laboratory of Public Health Safety of the Ministry of Education, Shanghai Typhoon Institute/CMA, Shanghai Key Laboratory of Meteorology and Health, Shanghai 200030, China; IRDR International Center of Excellence on Risk Interconnectivity and Governance on Weather/Climate Extremes Impact and Public Health, Fudan University, Shanghai 200438, China.
| | - Xin Zhang
- Institute of Environmental Science, Shanxi University, Taiyuan, 030006, China.
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Lu C, Jiang Y, Lan M, Wang L, Zhang W, Wang F. Children's food allergy: Effects of environmental influences and antibiotic use across critical developmental windows. JOURNAL OF HAZARDOUS MATERIALS 2024; 472:134506. [PMID: 38714059 DOI: 10.1016/j.jhazmat.2024.134506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 04/18/2024] [Accepted: 04/30/2024] [Indexed: 05/09/2024]
Abstract
BACKGROUND Increasing studies linked outdoor air pollution (OAP), indoor environmental factors (IEFs), and antibiotics use (AU) with the first wave of allergies (i.e., asthma, allergic rhinitis, and eczema), yet the role of their exposures on children's second wave of allergy (i.e., food allergy) are unknown. OBJECTIVES To investigate the association between exposure to OAP and IEFs and childhood doctor-diagnosed food allergy (DFA) during the pre-pregnancy, prenatal, early postnatal, and current periods, and to further explore the effect of OAP and IEFs on DFA in children co-exposed to antibiotics. METHODS A retrospective cohort study involving 8689 preschoolers was carried out in Changsha, China. Data on the health outcomes, antibiotic use, and home environment of each child were collected through a questionnaire. Temperature and air pollutants data were obtained from 8 and 10 monitoring stations in Changsha, respectively. Exposure levels to temperature and air pollutants at individual home addresses were calculated by the inverse distance weighted (IDW) method. Multiple logistic regression models were employed to assess the associations of childhood DFA with exposure to OAP, IEF, and AU. RESULTS Childhood ever doctor-diagnosed food allergy (DFA) was linked to postnatal PM10 exposure with OR (95% CI) of 1.18 (1.03-1.36), especially for CO and O3 exposure during the first year with ORs (95% CI) = 1.08 (1.00-1.16) and 1.07 (1.00-1.14), as well as SO2 exposure during the previous year with OR (95% CI) of 1.13 (1.02-1.25). The role of postnatal air pollution is more important for the risk of egg, milk and other food allergies. Renovation-related IAP (new furniture) and dampness-related indoor allergens exposures throughout all time windows significantly increased the risk of childhood DFA, with ORs ranging from 1.23 (1.03-1.46) to 1.54 (1.29-1.83). Furthermore, smoke-related IAP (environmental tobacco smoke [ETS], parental and grandparental smoking) exposure during pregnancy, first year, and previous year was related to DFA. Additionally, exposure to pet-related indoor allergens (cats) during first year and total plant-related allergens (particularly nonflowering plants) during previous year were associated with DFA. Moreover, exposure to plant-related allergy during first and previous year was specifically associated with milk allergy, while keeping cats during first year increased the risk of fruits/vegetables allergy. Life-time and early-life AU was associated with the increased risk of childhood DFA with ORs (95% CI) = 1.57 (1.32-1.87) and 1.46 (1.27-1.67), including different types food allergies except fruit/vegetable allergy. CONCLUSIONS Postnatal OAP, life-time and early-life IEFs and AU exposure played a vital role in the development of DFA, supporting the "fetal origin of childhood FA" hypothesis.
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Affiliation(s)
- Chan Lu
- XiangYa School of Public Health, Central South University, Changsha, China; Hunan Provincial Key Laboratory of Low Carbon Healthy Building, Central South University, Changsha, China.
| | - Ying Jiang
- XiangYa School of Public Health, Central South University, Changsha, China
| | - Mengju Lan
- XiangYa School of Public Health, Central South University, Changsha, China
| | - Lin Wang
- XiangYa School of Public Health, Central South University, Changsha, China
| | - Wanzhen Zhang
- Department of GICU, Henan Provincial Chest Hospital, Weiwu Road No. 1, Zhengzhou, China
| | - Faming Wang
- Division of Animal and Human Health Engineering, Department of Biosystems, KU Leuven, Leuven, Belgium
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Weinstein P, Bi P, Stanhope J. Climate change adaptation must not replicate lockdown scenarios. Perspect Public Health 2024; 144:208-209. [PMID: 39108127 PMCID: PMC11308301 DOI: 10.1177/17579139241231130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/10/2024]
Affiliation(s)
- Philip Weinstein
- School of Public Health, The University of Adelaide, Adelaide, SA, Australia; Environment Institute, The University of Adelaide, Adelaide, SA, Australia
| | - Peng Bi
- School of Public Health, The University of Adelaide, Adelaide, SA, Australia; Environment Institute, The University of Adelaide, Adelaide, SA, Australia
| | - Jessica Stanhope
- School of Allied Health Science and Practice, The University of Adelaide, Adelaide, SA, Australia; Environment Institute, The University of Adelaide, North Terrace Campus, Adelaide, SA 5005, Australia
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Brame JE, Liddicoat C, Abbott CA, Cando‐Dumancela C, Fickling NW, Robinson JM, Breed MF. Urban sports fields support higher levels of soil butyrate and butyrate-producing bacteria than urban nature parks. Ecol Evol 2024; 14:e70057. [PMID: 39041015 PMCID: PMC11262829 DOI: 10.1002/ece3.70057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Revised: 07/03/2024] [Accepted: 07/10/2024] [Indexed: 07/24/2024] Open
Abstract
Butyrate-producing bacteria colonise the gut of humans and non-human animals, where they produce butyrate, a short-chain fatty acid with known health benefits. Butyrate-producing bacteria also reside in soils and soil bacteria can drive the assembly of airborne bacterial communities (the aerobiome). Aerobiomes in urban greenspaces are important reservoirs of butyrate-producing bacteria as they supplement the human microbiome, but soil butyrate producer communities have rarely been examined in detail. Here, we studied soil metagenome taxonomic and functional profiles and soil physicochemical data from two urban greenspace types: sports fields (n = 11) and nature parks (n = 22). We also developed a novel method to quantify soil butyrate and characterised the in situ activity of butyrate-producing bacteria. We show that soil butyrate was higher in sports fields than nature parks and that sports fields also had significantly higher relative abundances of the terminal butyrate production genes buk and butCoAT than nature parks. Soil butyrate positively correlated with buk gene abundance (but not butCoAT). Soil moisture (r = .50), calcium (r = -.62), iron (ρ = .54), ammonium nitrogen (ρ = .58) and organic carbon (r = .45) had the strongest soil abiotic effects on soil butyrate concentrations and iron (ρ = .56) and calcium (ρ = -.57) had the strongest soil abiotic effects on buk read abundances. Overall, our findings contribute important new insights into the role of sports fields as key exposure reservoirs of butyrate producing bacteria, with important implications for the provision of microbiome-mediated human health benefits via butyrate.
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Affiliation(s)
- Joel E. Brame
- College of Science and EngineeringFlinders UniversityBedford ParkSouth AustraliaAustralia
- The Aerobiome Innovation and Research Hub (The AIR Hub), College of Science and EngineeringFlinders UniversityBedford ParkSouth AustraliaAustralia
| | - Craig Liddicoat
- College of Science and EngineeringFlinders UniversityBedford ParkSouth AustraliaAustralia
- The Aerobiome Innovation and Research Hub (The AIR Hub), College of Science and EngineeringFlinders UniversityBedford ParkSouth AustraliaAustralia
| | - Catherine A. Abbott
- College of Science and EngineeringFlinders UniversityBedford ParkSouth AustraliaAustralia
| | - Christian Cando‐Dumancela
- College of Science and EngineeringFlinders UniversityBedford ParkSouth AustraliaAustralia
- The Aerobiome Innovation and Research Hub (The AIR Hub), College of Science and EngineeringFlinders UniversityBedford ParkSouth AustraliaAustralia
| | - Nicole W. Fickling
- College of Science and EngineeringFlinders UniversityBedford ParkSouth AustraliaAustralia
- The Aerobiome Innovation and Research Hub (The AIR Hub), College of Science and EngineeringFlinders UniversityBedford ParkSouth AustraliaAustralia
| | - Jake M. Robinson
- College of Science and EngineeringFlinders UniversityBedford ParkSouth AustraliaAustralia
- The Aerobiome Innovation and Research Hub (The AIR Hub), College of Science and EngineeringFlinders UniversityBedford ParkSouth AustraliaAustralia
| | - Martin F. Breed
- College of Science and EngineeringFlinders UniversityBedford ParkSouth AustraliaAustralia
- The Aerobiome Innovation and Research Hub (The AIR Hub), College of Science and EngineeringFlinders UniversityBedford ParkSouth AustraliaAustralia
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Brame JE, Warbrick I, Heke D, Liddicoat C, Breed MF. Short-term passive greenspace exposures have little effect on nasal microbiomes: A cross-over exposure study of a Māori cohort. ENVIRONMENTAL RESEARCH 2024; 252:118814. [PMID: 38555095 DOI: 10.1016/j.envres.2024.118814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 03/14/2024] [Accepted: 03/27/2024] [Indexed: 04/02/2024]
Abstract
Indigenous health interventions have emerged in New Zealand aimed at increasing people's interactions with and exposure to macro and microbial diversity. Urban greenspaces provide opportunities for people to gain such exposures. However, the dynamics and pathways of microbial transfer from natural environments onto a person remain poorly understood. Here, we analysed bacterial 16S rRNA amplicons in air samples (n = 7) and pre- and post-exposure nasal samples (n = 238) from 35 participants who had 30-min exposures in an outdoor park. The participants were organised into two groups: over eight days each group had two outdoor park exposures and two indoor office exposures, with a cross-over study design and washout days between exposure days. We investigated the effects of participant group, location (outdoor park vs. indoor office), and exposures (pre vs. post) on the nasal bacterial community composition and three key suspected health-associated bacterial indicators (alpha diversity, generic diversity of Gammaproteobacteria, and read abundances of butyrate-producing bacteria). The participants had distinct nasal bacterial communities, but these communities did not display notable shifts in composition following exposures. The community composition and key health bacterial indicators were stable throughout the trial period, with no clear or consistent effects of group, location, or exposure. We conclude that 30-min exposure periods to urban greenspaces are unlikely to create notable changes in the nasal microbiome of visitors, which contrasts with previous research. Our results suggest that longer exposures or activities that involves closer interaction with microbial rich ecological components (e.g., soil) are required for greenspace exposures to result in noteworthy changes in the nasal microbiome.
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Affiliation(s)
- Joel E Brame
- College of Science and Engineering, Flinders University, Bedford Park, SA 5042, Australia.
| | - Isaac Warbrick
- Taupua Waiora Māori Research Centre, Auckland University of Technology, Auckland, New Zealand.
| | - Deborah Heke
- Taupua Waiora Māori Research Centre, Auckland University of Technology, Auckland, New Zealand.
| | - Craig Liddicoat
- College of Science and Engineering, Flinders University, Bedford Park, SA 5042, Australia.
| | - Martin F Breed
- College of Science and Engineering, Flinders University, Bedford Park, SA 5042, Australia.
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Paciência I, Sharma N, Hugg TT, Rantala AK, Heibati B, Al-Delaimy WK, Jaakkola MS, Jaakkola JJ. The Role of Biodiversity in the Development of Asthma and Allergic Sensitization: A State-of-the-Science Review. ENVIRONMENTAL HEALTH PERSPECTIVES 2024; 132:66001. [PMID: 38935403 PMCID: PMC11218706 DOI: 10.1289/ehp13948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 05/06/2024] [Accepted: 06/10/2024] [Indexed: 06/28/2024]
Abstract
BACKGROUND Changes in land use and climate change have been reported to reduce biodiversity of both the environment and human microbiota. These reductions in biodiversity may lead to inadequate and unbalanced stimulation of immunoregulatory circuits and, ultimately, to clinical diseases, such as asthma and allergies. OBJECTIVE We summarized available empirical evidence on the role of inner (gut, skin, and airways) and outer (air, soil, natural waters, plants, and animals) layers of biodiversity in the development of asthma, wheezing, and allergic sensitization. METHODS We conducted a systematic search in SciVerse Scopus, PubMed MEDLINE, and Web of Science up to 5 March 2024 to identify relevant human studies assessing the relationships between inner and outer layers of biodiversity and the risk of asthma, wheezing, or allergic sensitization. The protocol was registered in PROSPERO (CRD42022381725). RESULTS A total of 2,419 studies were screened and, after exclusions and a full-text review of 447 studies, 82 studies were included in the comprehensive, final review. Twenty-nine studies reported a protective effect of outer layer biodiversity in the development of asthma, wheezing, or allergic sensitization. There were also 16 studies suggesting an effect of outer layer biodiversity on increasing asthma, wheezing, or allergic sensitization. However, there was no clear evidence on the role of inner layer biodiversity in the development of asthma, wheezing, and allergic sensitization (13 studies reported a protective effect and 15 reported evidence of an increased risk). CONCLUSIONS Based on the reviewed literature, a future systematic review could focus more specifically on outer layer biodiversity and asthma. It is unlikely that association with inner layer biodiversity would have enough evidence for systematic review. Based on this comprehensive review, there is a need for population-based longitudinal studies to identify critical periods of exposure in the life course into adulthood and to better understand mechanisms linking environmental exposures and changes in microbiome composition, diversity, and/or function to development of asthma and allergic sensitization. https://doi.org/10.1289/EHP13948.
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Affiliation(s)
- Inês Paciência
- Center for Environmental and Respiratory Health Research, Population Health, University of Oulu, Oulu, Finland
- Biocenter Oulu, University of Oulu, Oulu, Finland
| | - Needhi Sharma
- University of California, San Diego, San Diego, California, USA
| | - Timo T. Hugg
- Center for Environmental and Respiratory Health Research, Population Health, University of Oulu, Oulu, Finland
- Biocenter Oulu, University of Oulu, Oulu, Finland
| | - Aino K. Rantala
- Center for Environmental and Respiratory Health Research, Population Health, University of Oulu, Oulu, Finland
- Biocenter Oulu, University of Oulu, Oulu, Finland
| | - Behzad Heibati
- Center for Environmental and Respiratory Health Research, Population Health, University of Oulu, Oulu, Finland
- Biocenter Oulu, University of Oulu, Oulu, Finland
| | | | - Maritta S. Jaakkola
- Center for Environmental and Respiratory Health Research, Population Health, University of Oulu, Oulu, Finland
- Biocenter Oulu, University of Oulu, Oulu, Finland
| | - Jouni J.K. Jaakkola
- Center for Environmental and Respiratory Health Research, Population Health, University of Oulu, Oulu, Finland
- Biocenter Oulu, University of Oulu, Oulu, Finland
- Finnish Meteorological Institute, Helsinki, Finland
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9
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Newman NS, Abbott CA, Brame JE, Cando-Dumancela C, Fickling NW, Liddicoat C, Robinson JM, Breed MF. Childcare centre soil microbiomes are influenced by substrate type and surrounding vegetation condition. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 927:172158. [PMID: 38583619 DOI: 10.1016/j.scitotenv.2024.172158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 03/25/2024] [Accepted: 03/31/2024] [Indexed: 04/09/2024]
Abstract
Urban development has profoundly reduced human exposure to biodiverse environments, which is linked to a rise in human disease. The 'biodiversity hypothesis' proposes that contact with diverse microbial communities (microbiota) benefits human health, as exposure to microbial diversity promotes immune training and regulates immune function. Soils and sandpits in urban childcare centres may provide exposure to diverse microbiota that support immunoregulation at a critical developmental stage in a child's life. However, the influence of outdoor substrate (i.e., sand vs. soil) and surrounding vegetation on these environmental microbiota in urban childcare centres remains poorly understood. Here, we used 16S rRNA amplicon sequencing to examine the variation in bacterial communities in sandpits and soils across 22 childcare centres in Adelaide, Australia, plus the impact of plant species richness and habitat condition on these bacterial communities. We show that sandpits had distinct bacterial communities and lower alpha diversity than soils. In addition, we found that plant species richness in the centres' yards and habitat condition surrounding the centres influenced the bacterial communities in soils but not sandpits. These results demonstrate that the diversity and composition of childcare centre sandpit and soil bacterial communities are shaped by substrate type, and that the soils are also shaped by the vegetation within and surrounding the centres. Accordingly, there is potential to modulate the exposure of children to health-associated bacterial communities by managing substrates and vegetation in and around childcare centres.
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Affiliation(s)
- Natalie S Newman
- College of Science and Engineering, Flinders University, Bedford Park, SA 5042, Australia
| | - Catherine A Abbott
- College of Science and Engineering, Flinders University, Bedford Park, SA 5042, Australia
| | - Joel E Brame
- College of Science and Engineering, Flinders University, Bedford Park, SA 5042, Australia
| | | | - Nicole W Fickling
- College of Science and Engineering, Flinders University, Bedford Park, SA 5042, Australia
| | - Craig Liddicoat
- College of Science and Engineering, Flinders University, Bedford Park, SA 5042, Australia
| | - Jake M Robinson
- College of Science and Engineering, Flinders University, Bedford Park, SA 5042, Australia
| | - Martin F Breed
- College of Science and Engineering, Flinders University, Bedford Park, SA 5042, Australia.
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10
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Lu C, Xiao Z, Li H, Han R, Sun A, Xiang Q, Zhu Z, Li G, Yang X, Zhu YG, Chen QL. Aboveground plants determine the exchange of pathogens within air-phyllosphere-soil continuum in urban greenspaces. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133149. [PMID: 38056267 DOI: 10.1016/j.jhazmat.2023.133149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 11/20/2023] [Accepted: 11/29/2023] [Indexed: 12/08/2023]
Abstract
The microbiome in the air-phyllosphere-soil continuum of urban greenspaces plays a crucial role in re-connecting urban populations with biodiverse environmental microbiomes. However, little is known about whether plant type affects the airborne microbiomes, as well as the extent to which soil and phyllosphere microbiomes contribute to airborne microbiomes. Here we collected soil, phyllosphere and airborne microbes with different plant types (broadleaf tree, conifer tree, and grass) in urban parks. Despite the significant impacts of plant type on soil and phyllosphere microbiomes, plant type had no obvious effects on the diversity of airborne microbes but shaped airborne bacterial composition in urban greenspaces. Soil and phyllosphere microbiomes had a higher contribution to airborne bacteria in broadleaf trees (37.56%) compared to conifer trees (9.51%) and grasses (14.29%). Grass areas in urban greenspaces exhibited a greater proportion of potential pathogens compared to the tree areas. The abundance of bacterial pathogens in phyllosphere was significantly higher in grasses compared to broadleaf and conifer trees. Together, our study provides novel insights into the microbiome patterns in air-phyllosphere-soil continuum, highlighting the potential significance of reducing the proportion of extensively human-intervened grass areas in future urban environment designs to enhance the provision of ecosystem services in urban greenspaces.
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Affiliation(s)
- Changyi Lu
- Key Laboratory of Urban Environment and Health, Ningbo Urban Environment Observation and Research Station, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; Zhejiang Key Laboratory of Urban Environmental Processes and Pollution Control, CAS Haixi Industrial Technology Innovation Center in Beilun, Ningbo 315830, China
| | - Zufei Xiao
- Key Laboratory of Urban Environment and Health, Ningbo Urban Environment Observation and Research Station, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; Zhejiang Key Laboratory of Urban Environmental Processes and Pollution Control, CAS Haixi Industrial Technology Innovation Center in Beilun, Ningbo 315830, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Hu Li
- Key Laboratory of Urban Environment and Health, Ningbo Urban Environment Observation and Research Station, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; Zhejiang Key Laboratory of Urban Environmental Processes and Pollution Control, CAS Haixi Industrial Technology Innovation Center in Beilun, Ningbo 315830, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ruixia Han
- Key Laboratory of Urban Environment and Health, Ningbo Urban Environment Observation and Research Station, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; Zhejiang Key Laboratory of Urban Environmental Processes and Pollution Control, CAS Haixi Industrial Technology Innovation Center in Beilun, Ningbo 315830, China
| | - Anqi Sun
- Key Laboratory of Urban Environment and Health, Ningbo Urban Environment Observation and Research Station, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; Zhejiang Key Laboratory of Urban Environmental Processes and Pollution Control, CAS Haixi Industrial Technology Innovation Center in Beilun, Ningbo 315830, China
| | - Qian Xiang
- Key Laboratory of Urban Environment and Health, Ningbo Urban Environment Observation and Research Station, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; Zhejiang Key Laboratory of Urban Environmental Processes and Pollution Control, CAS Haixi Industrial Technology Innovation Center in Beilun, Ningbo 315830, China
| | - Zhe Zhu
- Key Laboratory of Urban Environment and Health, Ningbo Urban Environment Observation and Research Station, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; Zhejiang Key Laboratory of Urban Environmental Processes and Pollution Control, CAS Haixi Industrial Technology Innovation Center in Beilun, Ningbo 315830, China; Department of Chemical and Environmental Engineering, Faculty of Science and Engineering, University of Nottingham, Ningbo 315100, China
| | - Gang Li
- Key Laboratory of Urban Environment and Health, Ningbo Urban Environment Observation and Research Station, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; Zhejiang Key Laboratory of Urban Environmental Processes and Pollution Control, CAS Haixi Industrial Technology Innovation Center in Beilun, Ningbo 315830, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiaoru Yang
- Key Laboratory of Urban Environment and Health, Ningbo Urban Environment Observation and Research Station, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; Zhejiang Key Laboratory of Urban Environmental Processes and Pollution Control, CAS Haixi Industrial Technology Innovation Center in Beilun, Ningbo 315830, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yong-Guan Zhu
- Key Laboratory of Urban Environment and Health, Ningbo Urban Environment Observation and Research Station, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; Zhejiang Key Laboratory of Urban Environmental Processes and Pollution Control, CAS Haixi Industrial Technology Innovation Center in Beilun, Ningbo 315830, China; University of Chinese Academy of Sciences, Beijing 100049, China; State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Qing-Lin Chen
- Key Laboratory of Urban Environment and Health, Ningbo Urban Environment Observation and Research Station, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; Zhejiang Key Laboratory of Urban Environmental Processes and Pollution Control, CAS Haixi Industrial Technology Innovation Center in Beilun, Ningbo 315830, China; University of Chinese Academy of Sciences, Beijing 100049, China.
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11
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Zhao C, Liu X, Tan H, Yin S, Su L, Du B, Khalid M, Sinkkonen A, Hui N. Neighborhood garden's age shapes phyllosphere microbiota associated with respiratory diseases in cold seasons. ENVIRONMENTAL SCIENCE AND ECOTECHNOLOGY 2024; 18:100315. [PMID: 37886031 PMCID: PMC10598728 DOI: 10.1016/j.ese.2023.100315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 09/04/2023] [Accepted: 09/11/2023] [Indexed: 10/28/2023]
Abstract
Neighborhood gardens serve as sensitive sites for human microbial encounters, with phyllosphere microbes directly impacting our respiratory health. Yet, our understanding remains limited on how factors like season, garden age, and land use shape the risk of respiratory diseases (RDs) tied to these garden microbes. Here we examined the microbial communities within the phyllosphere of 72 neighborhood gardens across Shanghai, spanning different seasons (warm and cold), garden ages (old and young), and locales (urban and rural). We found a reduced microbial diversity during the cold season, except for Gammaproteobacteria which exhibited an inverse trend. While land use influenced the microbial composition, urban and rural gardens had strikingly similar microbial profiles. Alarmingly, young gardens in the cold season hosted a substantial proportion of RDs-associated species, pointing towards increased respiratory inflammation risks. In essence, while newer gardens during colder periods show a decline in microbial diversity, they have an increased presence of RDs-associated microbes, potentially escalating respiratory disease prevalence. This underscores the pivotal role the garden age plays in enhancing both urban microbial diversity and respiratory health.
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Affiliation(s)
- Chang Zhao
- School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Rd., 200240, Shanghai, China
- Shanghai Yangtze River Delta Eco-Environmental Change and Management Observation and Research Station, Ministry of Science and Technology, Ministry of Education, 800 Dongchuan Rd., 200240, Shanghai, China
- Shanghai Urban Forest Ecosystem Research Station, National Forestry and Grassland Administration, 800 Dongchuan Rd., 200240, Shanghai, China
| | - Xinxin Liu
- School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Rd., 200240, Shanghai, China
- Shanghai Yangtze River Delta Eco-Environmental Change and Management Observation and Research Station, Ministry of Science and Technology, Ministry of Education, 800 Dongchuan Rd., 200240, Shanghai, China
- Shanghai Urban Forest Ecosystem Research Station, National Forestry and Grassland Administration, 800 Dongchuan Rd., 200240, Shanghai, China
| | - Haoxin Tan
- School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Rd., 200240, Shanghai, China
- Ecosystems and Environment Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Lahti, Finland
| | - Shan Yin
- School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Rd., 200240, Shanghai, China
| | - Lantian Su
- School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Rd., 200240, Shanghai, China
| | - Baoming Du
- School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Rd., 200240, Shanghai, China
| | - Muhammad Khalid
- Department of Biology, College of Science and Technology, Wenzhou-Kean University, Wenzhou, China
| | - Aki Sinkkonen
- Department of Garden Technologies, Horticulture Technologies, Natural Resources Institute Finland, Helsinki, Finland
| | - Nan Hui
- School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Rd., 200240, Shanghai, China
- Ecosystems and Environment Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Lahti, Finland
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12
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Hudson JE, Levia DF, Yoshimura KM, Gottel NR, Hudson SA, Biddle JF. Mapping bark bacteria: initial insights of stemflow-induced changes in bark surface phyla. Microbiol Spectr 2023; 11:e0356223. [PMID: 37971233 PMCID: PMC10715197 DOI: 10.1128/spectrum.03562-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Accepted: 10/12/2023] [Indexed: 11/19/2023] Open
Abstract
IMPORTANCE Compared with the phyllosphere, bacteria inhabiting bark surfaces are inadequately understood. Based on a preliminary pilot study, our work suggests that microbial populations vary across tree bark surfaces and may differ in relation to surrounding land use. Initial results suggest that stemflow, the water that flows along the bark surface, actively moves bacterial communities across a tree. These preliminary findings underscore the need for further study of niche microbial populations to determine whether there are connections between the biodiversity of microbiomes inhabiting corticular surfaces, land use, and hydrology.
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Affiliation(s)
- J. E. Hudson
- Department of Geography and Spatial Sciences, University of Delaware, Newark, Delaware, USA
| | - D. F. Levia
- Department of Geography and Spatial Sciences, University of Delaware, Newark, Delaware, USA
- Department of Plant and Soil Sciences, University of Delaware, Newark, Delaware, USA
| | - K. M. Yoshimura
- School of Marine Science and Policy, University of Delaware, Newark, Delaware, USA
| | - N. R. Gottel
- Argonne National Lab, University of Chicago Medicine, Chicago, Illinois, USA
| | - S. A. Hudson
- Department of Geography and Spatial Sciences, University of Delaware, Newark, Delaware, USA
| | - J. F. Biddle
- School of Marine Science and Policy, University of Delaware, Newark, Delaware, USA
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13
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Chen Y, Fu X, Ou Z, Li J, Lin S, Wu Y, Wang X, Deng Y, Sun Y. Environmental determinants and demographic influences on global urban microbiomes, antimicrobial resistance and pathogenicity. NPJ Biofilms Microbiomes 2023; 9:94. [PMID: 38062054 PMCID: PMC10703778 DOI: 10.1038/s41522-023-00459-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 11/20/2023] [Indexed: 12/18/2023] Open
Abstract
Urban microbiome plays crucial roles in human health and are related to various diseases. The MetaSUB Consortium has conducted the most comprehensive global survey of urban microbiomes to date, profiling microbial taxa/functional genes across 60 cities worldwide. However, the influence of environmental/demographic factors on urban microbiome remains to be elucidated. We collected 35 environmental and demographic characteristics to examine their effects on global urban microbiome diversity/composition by PERMANOVA and regression models. PM10 concentration was the primary determinant factor positively associated with microbial α-diversity (observed species: p = 0.004, β = 1.66, R2 = 0.46; Fisher's alpha: p = 0.005, β = 0.68, R2 = 0.43), whereas GDP per capita was negatively associated (observed species: p = 0.046, β = -0.70, R2 = 0.10; Fisher's alpha: p = 0.004, β = -0.34, R2 = 0.22). The β-diversity of urban microbiome was shaped by seven environmental characteristics, including Köppen climate type, vegetation type, greenness fraction, soil type, PM2.5 concentration, annual average precipitation and temperature (PERMANOVA, p < 0.001, R2 = 0.01-0.06), cumulatively accounted for 20.3% of the microbial community variance. Canonical correspondence analysis (CCA) identified microbial species most strongly associated with environmental characteristic variation. Cities in East Asia with higher precipitation showed an increased abundance of Corynebacterium metruchotii, and cities in America with a higher greenness fraction exhibited a higher abundance of Corynebacterium casei. The prevalence of antimicrobial resistance (AMR) genes were negatively associated with GDP per capita and positively associated with solar radiation (p < 0.005). Total pathogens prevalence was positively associated with urban population and negatively associated with average temperature in June (p < 0.05). Our study presents the first comprehensive analysis of the influence of environmental/demographic characteristics on global urban microbiome. Our findings indicate that managing air quality and urban greenness is essential for regulating urban microbial diversity and composition. Meanwhile, socio-economic considerations, particularly reducing antibiotic usage in regions with lower GDP, are paramount in curbing the spread of antimicrobial resistance in urban environments.
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Affiliation(s)
- Yang Chen
- Guangdong Provincial Key Laboratory of Protein Function and Regulation in Agricultural Organisms, College of Life Sciences, South China Agricultural University, Guangzhou, P. R. China
| | - Xi Fu
- Guangdong Provincial Engineering Research Center of Public Health Detection and Assessment, School of Public Health, Guangdong Pharmaceutical University, 510006, Guangzhou, P. R. China.
| | - Zheyuan Ou
- Guangdong Provincial Key Laboratory of Protein Function and Regulation in Agricultural Organisms, College of Life Sciences, South China Agricultural University, Guangzhou, P. R. China
| | - Jiang Li
- Guangdong Provincial Key Laboratory of Protein Function and Regulation in Agricultural Organisms, College of Life Sciences, South China Agricultural University, Guangzhou, P. R. China
| | - Simiao Lin
- Guangdong Provincial Key Laboratory of Protein Function and Regulation in Agricultural Organisms, College of Life Sciences, South China Agricultural University, Guangzhou, P. R. China
| | - Yaoxuan Wu
- Guangdong Provincial Key Laboratory of Protein Function and Regulation in Agricultural Organisms, College of Life Sciences, South China Agricultural University, Guangzhou, P. R. China
| | - Xuwei Wang
- Guangdong Provincial Key Laboratory of Protein Function and Regulation in Agricultural Organisms, College of Life Sciences, South China Agricultural University, Guangzhou, P. R. China
| | - Yiqun Deng
- Guangdong Provincial Key Laboratory of Protein Function and Regulation in Agricultural Organisms, College of Life Sciences, South China Agricultural University, Guangzhou, P. R. China.
| | - Yu Sun
- Guangdong Provincial Key Laboratory of Protein Function and Regulation in Agricultural Organisms, College of Life Sciences, South China Agricultural University, Guangzhou, P. R. China.
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14
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Sajjad B, Hussain S, Rasool K, Hassan M, Almomani F. Comprehensive insights into advances in ambient bioaerosols sampling, analysis and factors influencing bioaerosols composition. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 336:122473. [PMID: 37659632 DOI: 10.1016/j.envpol.2023.122473] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 08/20/2023] [Accepted: 08/27/2023] [Indexed: 09/04/2023]
Abstract
While the study of bioaerosols has a long history, it has garnered heightened interest in the past few years, focusing on both culture-dependent and independent sampling and analysis approaches. Observations have been made regarding the seasonal fluctuations in microbial communities and their connection to particular ambient atmospheric factors. The study of airborne microbial communities is important in public health and atmospheric processes. Nevertheless, the establishment of standardized protocols for evaluating airborne microbial communities and utilizing microbial taxonomy as a means to identify distinct bioaerosols sources and seasonal patterns remains relatively unexplored. This article discusses the challenges and limitations of ambient bioaerosols sampling and analysis, including the lack of standardized methods and the heterogeneity of sources. Future prospects in the field of bioaerosols, including the use of high-throughput sequencing technologies, omics studies, spectroscopy and fluorescence-based monitoring to provide comprehensive incite on metabolic capacity, and activity are also presented. Furthermore, the review highlights the factors that affect bioaerosols composition, including seasonality, atmospheric conditions, and pollution levels. Overall, this review provides a valuable resource for researchers, policymakers, and stakeholders interested in understanding and managing bioaerosols in various environments.
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Affiliation(s)
- Bilal Sajjad
- Qatar Environment and Energy Research Institute (QEERI), Hamad Bin Khalifa University, Qatar Foundation, P.O. Box 5825, Doha, Qatar; Department of Chemical Engineering, Qatar University, P. O. Box 2713, Doha, Qatar
| | - Sabir Hussain
- Department of Environmental Science, Institute of Space Technology, Islamabad, Pakistan
| | - Kashif Rasool
- Qatar Environment and Energy Research Institute (QEERI), Hamad Bin Khalifa University, Qatar Foundation, P.O. Box 5825, Doha, Qatar.
| | - Mujtaba Hassan
- Department of Environmental Science, Institute of Space Technology, Islamabad, Pakistan
| | - Fares Almomani
- Department of Chemical Engineering, Qatar University, P. O. Box 2713, Doha, Qatar
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15
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Styles JN, Egorov AI, Griffin SM, Klein J, Scott JW, Sams EA, Hudgens E, Mugford C, Stewart JR, Lu K, Jaspers I, Keely SP, Brinkman NE, Arnold JW, Wade TJ. Greener residential environment is associated with increased bacterial diversity in outdoor ambient air. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 880:163266. [PMID: 37028654 DOI: 10.1016/j.scitotenv.2023.163266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 03/31/2023] [Accepted: 03/31/2023] [Indexed: 05/27/2023]
Abstract
In urban areas, exposure to greenspace has been found to be beneficial to human health. The biodiversity hypothesis proposed that exposure to diverse ambient microbes in greener areas may be one pathway leading to health benefits such as improved immune system functioning, reduced systemic inflammation, and ultimately reduced morbidity and mortality. Previous studies observed differences in ambient outdoor bacterial diversity between areas of high and low vegetated land cover but didn't focus on residential environments which are important to human health. This research examined the relationship between vegetated land and tree cover near residence and outdoor ambient air bacterial diversity and composition. We used a filter and pump system to collect ambient bacteria samples outside residences in the Raleigh-Durham-Chapel Hill metropolitan area and identified bacteria by 16S rRNA amplicon sequencing. Geospatial quantification of total vegetated land or tree cover was conducted within 500 m of each residence. Shannon's diversity index and weighted UniFrac distances were calculated to measure α (within-sample) and β (between-sample) diversity, respectively. Linear regression for α-diversity and permutational analysis of variance (PERMANOVA) for β-diversity were used to model relationships between vegetated land and tree cover and bacterial diversity. Data analysis included 73 ambient air samples collected near 69 residences. Analysis of β-diversity demonstrated differences in ambient air microbiome composition between areas of high and low vegetated land (p = 0.03) and tree cover (p = 0.07). These relationships remained consistent among quintiles of vegetated land (p = 0.03) and tree cover (p = 0.008) and continuous measures of vegetated land (p = 0.03) and tree cover (p = 0.03). Increased vegetated land and tree cover were also associated with increased ambient microbiome α-diversity (p = 0.06 and p = 0.03, respectively). To our knowledge, this is the first study to demonstrate associations between vegetated land and tree cover and the ambient air microbiome's diversity and composition in the residential ecosystem.
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Affiliation(s)
- Jennifer N Styles
- United States Environmental Protection Agency, Center for Public Health and Environmental Assessment, Office of Research and Development, Research Triangle Park, NC, USA; Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, USA; Department of Pediatrics, Division of Allergy and Immunology, Chapel Hill, NC, USA.
| | - Andrey I Egorov
- United States Environmental Protection Agency, Center for Public Health and Environmental Assessment, Office of Research and Development, Research Triangle Park, NC, USA
| | - Shannon M Griffin
- United States Environmental Protection Agency, Center for Public Health and Environmental Assessment, Office of Research and Development, Cincinnati, OH, USA
| | - Jo Klein
- United States Environmental Protection Agency, Center for Public Health and Environmental Assessment, Office of Research and Development, Research Triangle Park, NC, USA; North Carolina State University Libraries, Raleigh, NC, USA
| | - J W Scott
- United States Environmental Protection Agency, Center for Public Health and Environmental Assessment, Office of Research and Development, Research Triangle Park, NC, USA
| | - Elizabeth A Sams
- United States Environmental Protection Agency, Center for Public Health and Environmental Assessment, Office of Research and Development, Research Triangle Park, NC, USA
| | - Edward Hudgens
- United States Environmental Protection Agency, Center for Public Health and Environmental Assessment, Office of Research and Development, Research Triangle Park, NC, USA
| | - Chris Mugford
- United States Public Health Service Commissioned Corps, Research Triangle Park, NC, USA; The Agency for Toxic Substances and Disease Registry, Boston, MA, USA
| | - Jill R Stewart
- Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, USA
| | - Kun Lu
- Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, USA
| | - Ilona Jaspers
- Curriculum in Toxicology and Environmental Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA; Center for Environmental Medicine, Asthma, and Lung Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA; Department of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Scott P Keely
- United States Environmental Protection Agency, Center for Environmental Measurement and Monitoring, Office of Research and Development, Cincinnati, OH, USA
| | - Nichole E Brinkman
- United States Environmental Protection Agency, Center for Environmental Solutions and Emergency Response, Office of Research and Development, Cincinnati, OH, USA
| | - Jason W Arnold
- Division of Gastroenterology and Hepatology, Department of Medicine, Microbiome Core Facility, Center for Gastrointestinal Biology and Disease, School of Medicine, University of North Carolina, Chapel Hill, NC, USA; Department of Molecular Genetics and Microbiology, Duke Microbiome Center, Duke University, Durham, NC, USA
| | - Timothy J Wade
- United States Environmental Protection Agency, Center for Public Health and Environmental Assessment, Office of Research and Development, Research Triangle Park, NC, USA
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16
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He Q, Liu L, Zhang H, Chen R, Dong G, Yan LL, Zeng Y, Kim Y, Ji JS. Environmental greenspace, subjective well-being, and all-cause mortality in elderly Chinese: Association and mediation study in a prospective cohort. ENVIRONMENTAL RESEARCH 2023; 227:115732. [PMID: 36965791 DOI: 10.1016/j.envres.2023.115732] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 02/28/2023] [Accepted: 03/20/2023] [Indexed: 05/08/2023]
Abstract
BACKGROUND Subjective well-being (SWB) measures mental health and happiness. Greenspace can have a positive impact on mental health, and higher SWB is associated with lower all-cause mortality. We conducted a mediation analysis on greenspace and all-cause mortality through improving SWB, in a prospective cohort of Chinese older adults. METHODS We included older adults over 65 from the 2008-2014 Chinese Longitudinal Healthy Longevity Survey (CLHLS). We used satellite-derived normalized difference vegetation index (NDVI) to measure greenspaces and calculated SWB measured by eight items. Three main statistical approaches were used. First, we used generalized estimating equations (GEE) and Cox proportional hazard models to examine NDVI-SWB and SWB-mortality relationships. Second, we conducted a causal mediation analysis to investigate the mediating effect of greenspace on all-cause mortality through SWB. Third, we conducted subgroup analyses to discover effect modification. FINDINGS Among 13,133 participants, the mean SWB score and NDVI in 2008 were 28·9 (SD 4·34) and 0·41 (SD 0·14), respectively. We found SWB partially mediated the relationship between residential greenspace and mortality in the adjusted model (average causal mediation effect = 0·11, p = 0·04; average direct effect = 1·96, p < 0·001; total effect = 2·07, p < 0·001) with varying proportions in subgroups. The protective influence was more evident for people with impaired cognitive function, living in rural areas and towns, and with lower income. INTERPRETATION We found a positive association between greenspace, SWB, and mortality. Greenness in the living environment confers better mental health and promotes longevity in the elderly population.
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Affiliation(s)
- Qile He
- Institute of Medical Information/Medical Library, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Linxin Liu
- Vanke School of Public Health, Tsinghua University, Beijing, China
| | - Haofan Zhang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, Jiangsu, China
| | - Runsen Chen
- Vanke School of Public Health, Tsinghua University, Beijing, China
| | - Guanghui Dong
- Department of Occupational and Environmental Health, School of Public Health, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Lijing L Yan
- Global Health Research Center, Duke Kunshan University, Kunshan, Jiangsu, China
| | - Yi Zeng
- Center for Healthy Aging & Development, National School of Development, Peking University, Beijing, China; Center for the Study of Aging and Human Development, Duke University School of Medicine, Durham, NC, USA
| | - Yoonhee Kim
- Department of Global Environmental Health, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.
| | - John S Ji
- Vanke School of Public Health, Tsinghua University, Beijing, China.
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17
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Haahtela T, Alenius H, Auvinen P, Fyhrquist N, von Hertzen L, Jousilahti P, Karisola P, Laatikainen T, Lehtimäki J, Paalanen L, Ruokolainen L, Saarinen K, Valovirta E, Vasankari T, Vlasoff T, Erhola M, Bousquet J, Vartiainen E, Mäkelä MJ. A short history from Karelia study to biodiversity and public health interventions. FRONTIERS IN ALLERGY 2023; 4:1152927. [PMID: 36998574 PMCID: PMC10043497 DOI: 10.3389/falgy.2023.1152927] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Accepted: 02/21/2023] [Indexed: 03/15/2023] Open
Abstract
Contact with natural environments enriches the human microbiome, promotes immune balance and protects against allergies and inflammatory disorders. In Finland, the allergy & asthma epidemic became slowly visible in mid 1960s. After the World War II, Karelia was split into Finnish and Soviet Union (now Russia) territories. This led to more marked environmental and lifestyle changes in the Finnish compared with Russian Karelia. The Karelia Allergy Study 2002–2022 showed that allergic conditions were much more common on the Finnish side. The Russians had richer gene-microbe network and interaction than the Finns, which associated with better balanced immune regulatory circuits and lower allergy prevalence. In the Finnish adolescents, a biodiverse natural environment around the homes associated with lower occurrence of allergies. Overall, the plausible explanation of the allergy disparity was the prominent change in environment and lifestyle in the Finnish Karelia from 1940s to 1980s. The nationwide Finnish Allergy Programme 2008–2018 implemented the biodiversity hypothesis into practice by endorsing immune tolerance, nature contacts, and allergy health with favorable results. A regional health and environment programme, Nature Step to Health 2022–2032, has been initiated in the City of Lahti, EU Green Capital 2021. The programme integrates prevention of chronic diseases (asthma, diabetes, obesity, depression), nature loss, and climate crisis in the spirit of Planetary Health. Allergic diseases exemplify inappropriate immunological responses to natural environment. Successful management of the epidemics of allergy and other non-communicable diseases may pave the way to improve human and environmental health.
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Affiliation(s)
- Tari Haahtela
- Skin and Allergy Hospital, Helsinki University Hospital, Helsinki, Finland
- University of Helsinki, Helsinki, Finland
- Correspondence: Tari Haahtela
| | - Harri Alenius
- Human Microbiome Research (HUMI), Faculty of Medicine, University of Helsinki, Helsinki, Finland
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Petri Auvinen
- DNA Sequencing and GenomicsLaboratory, Institute of Biotechnology, Helsinki, Finland
| | - Nanna Fyhrquist
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | | | - Pekka Jousilahti
- Department of Public Health and Welfare, Finnish Institute for Health and Welfare (THL), Helsinki, Finland
| | - Piia Karisola
- Human Microbiome Research (HUMI), Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Tiina Laatikainen
- Department of Public Health and Welfare, Finnish Institute for Health and Welfare (THL), Helsinki, Finland
- Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
| | | | - Laura Paalanen
- Department of Public Health and Welfare, Finnish Institute for Health and Welfare (THL), Helsinki, Finland
| | - Lasse Ruokolainen
- Department of Biosciences, University of Helsinki, Helsinki, Finland
| | | | - Erkka Valovirta
- Department of Pulmonary Diseases and Clinical Allergology, University of Turku, Turku, Finland
- Allergy Clinic, Terveystalo, Turku, Finland
| | - Tuula Vasankari
- Department of Pulmonary Diseases and Clinical Allergology, University of Turku, Turku, Finland
- Finnish Lung Health Association (FILHA), Helsinki, Finland
| | - Tiina Vlasoff
- North Karelia Centre for Public Health, Joensuu, Finland
| | - Marina Erhola
- Pirkanmaa Joint Authority for Health Services and Social Welfare, Tampere, Finland
| | - Jean Bousquet
- Institute of Allergology, Charité — Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
- Institute for Translational Medicine and Pharmacology ITMP, Allergology and Immunology, Berlin, Germany
- University Hospital Montpellier, Montpellier, France
| | - Erkki Vartiainen
- Department of Public Health and Welfare, Finnish Institute for Health and Welfare (THL), Helsinki, Finland
| | - Mika J. Mäkelä
- Skin and Allergy Hospital, Helsinki University Hospital, Helsinki, Finland
- University of Helsinki, Helsinki, Finland
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18
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Zhou XY, Li H, Zhou SYD, Zhang YS, Su JQ. City-scale distribution of airborne antibiotic resistance genes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 856:159176. [PMID: 36191698 DOI: 10.1016/j.scitotenv.2022.159176] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Revised: 09/13/2022] [Accepted: 09/28/2022] [Indexed: 06/16/2023]
Abstract
Concerns around urban air quality have been increasing worldwide due to large-scale urbanization. A large volume of work has been focused on the chemical pollutants in the air and their impacts on human health. However, the profile of airborne microbial contaminants, especially antibiotic resistance genes (ARGs), is largely understudied. Here, high-throughput quantitative PCR (HT-qPCR) was employed to explore the temporal and spatial distribution of airborne ARGs from 11 sites with various functional zones and different urbanization levels within Xiamen, China. A total of 104 unique ARGs and 23 mobile genetic elements (MGEs) were detected across all samples. Temporal shift was observed in the distribution of ARG profiles, with significantly higher relative abundance of ARGs detected in summer than that in spring. Temperature is the key predictor of the total relative abundance of ARGs and MGEs in summer, while PM2.5 and PM10 were the two most important factors affecting the abundance in spring. Our findings suggest that urban aerosols accommodate rich and dynamic ARGs and MGEs, and emphasize the role of temperature, air quality and anthropogenic activities in shaping the profile of ARGs.
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Affiliation(s)
- Xin-Yuan Zhou
- Key Laboratory of Urban Environment and Health, Ningbo Observation and Research Station, Institute of Urban Environment, Chinese Academy of Sciences, 1799 Jimei Road, Xiamen 361021, China; University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
| | - Hu Li
- Key Laboratory of Urban Environment and Health, Ningbo Observation and Research Station, Institute of Urban Environment, Chinese Academy of Sciences, 1799 Jimei Road, Xiamen 361021, China; University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
| | - Shu-Yi-Dan Zhou
- Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, South China Botanical Garden, Chinese Academy of Sciences, 723 Xingke Road, Tianhe District, Guangzhou 510650, China
| | - Yu-Sen Zhang
- Key Laboratory of Urban Environment and Health, Ningbo Observation and Research Station, Institute of Urban Environment, Chinese Academy of Sciences, 1799 Jimei Road, Xiamen 361021, China; University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
| | - Jian-Qiang Su
- Key Laboratory of Urban Environment and Health, Ningbo Observation and Research Station, Institute of Urban Environment, Chinese Academy of Sciences, 1799 Jimei Road, Xiamen 361021, China; University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China.
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19
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Long T, Ye Z, Tang Y, Shi J, Wen J, Chen C, Huo Q. Comparison of bacterial community structure in PM 2.5 during hazy and non-hazy periods in Guilin, South China. AEROBIOLOGIA 2023; 39:87-103. [PMID: 36568442 PMCID: PMC9762634 DOI: 10.1007/s10453-022-09777-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 12/09/2022] [Indexed: 05/19/2023]
Abstract
UNLABELLED In recent years, significant efforts have been made to study changes in the levels of air pollutants at regional and urban scales, and changes in bioaerosols during air pollution events have attracted increasing attention. In this study, the bacterial structure of PM2.5 was analysed under different environmental conditions during hazy and non-hazy periods in Guilin. A total of 32 PM2.5 samples were collected in December 2020 and July 2021, and the microbial community structures were analysed using high-throughput sequencing methods. The results show that air pollution and climate change alter the species distribution and community diversity of bacteria in PM2.5, particularly Sphingomonas and Pseudomonas. The structure of the bacterial community composition is related to diurnal variation, vertical height, and urban area and their interactions with various environmental factors. This is a comprehensive study that characterises the variability of bacteria associated with PM2.5 in a variety of environments, highlighting the impacts of environmental effects on the atmospheric microbial community. The results will contribute to our understanding of haze trends in China, particularly the relationship between bioaerosol communities and the urban environment. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s10453-022-09777-0.
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Affiliation(s)
- Tengfa Long
- Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, Guilin, 541006 China
- College of Environment and Resources, Guangxi Normal University, Guilin, 541006 China
| | - Ziwei Ye
- Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, Guilin, 541006 China
- College of Environment and Resources, Guangxi Normal University, Guilin, 541006 China
| | - Yanchun Tang
- Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, Guilin, 541006 China
- College of Environment and Resources, Guangxi Normal University, Guilin, 541006 China
| | - Jiaxin Shi
- Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, Guilin, 541006 China
- College of Environment and Resources, Guangxi Normal University, Guilin, 541006 China
| | - Jianhui Wen
- College of Environment and Resources, Guangxi Normal University, Guilin, 541006 China
- Guilin Ecological Environmental Monitoring Center, Guilin, 541004 China
| | - Chunqiang Chen
- Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, Guilin, 541006 China
- College of Environment and Resources, Guangxi Normal University, Guilin, 541006 China
| | - Qiang Huo
- Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, Guilin, 541006 China
- College of Environment and Resources, Guangxi Normal University, Guilin, 541006 China
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20
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Malamardi S, Lambert KA, Praveena AS, Anand MP, Erbas B. Time Trends of Greenspaces, Air Pollution, and Asthma Prevalence among Children and Adolescents in India. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:15273. [PMID: 36429991 PMCID: PMC9690186 DOI: 10.3390/ijerph192215273] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Revised: 11/14/2022] [Accepted: 11/14/2022] [Indexed: 06/16/2023]
Abstract
The prevalence of childhood asthma contributes to the global burden of the disease substantially. Air pollution in India has increased. In this study, we examine the associations among greenspaces, air pollution, and asthma prevalence in children and adolescents over a large, diverse population in India. We used state-wide global burden of disease data on asthma from age 0 to 19 years in 2005, 2011, and 2017. For greenspace, we used the normalized differential vegetation index (NDVI), which is the surface reflectance of light during photosynthetic activity. NDVI, air pollutants (PM2.5, PM10, SO2, NO2, and O3), weather, and socio-demographic factors were included in generalized estimating equation (GEE) models to estimate their associations with childhood asthma prevalence over time. Novel data visualization illustrated the complex spatial distributions. NDVI was associated with asthma prevalence (β = 0.144; 95% CI = 0.10, 0.186; p < 0.0001) for high PM2.5, along with high levels of both gaseous air pollutants, SO2, and NO2 ((β = 0.12; 95% CI = 0.08, 0.16; p < 0.0001) and (β = 0.09; 95% CI = 0.05, 0.13; p < 0.0001)). However, NDVI and high O3, had a strong negative association with asthma prevalence (β = -0.19; 95% CI = -0.26, -0.11; p < 0.0001). We observed additional effects of the interaction between the NDVI and high concentrations of PM2.5, PM10, NO2, and O3, assuming that these associations share a common pathway, and found interaction effects for asthma prevalence. Given the changing environmental conditions that interplay over geographical characteristics on the prevalence of asthma, further studies may elucidate a better understanding of these complex associations.
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Affiliation(s)
- Sowmya Malamardi
- Department of Public Health, School of Psychology and Public Health, College of Science Health and Engineering, La Trobe University, Melbourne, VIC 3086, Australia
- Department of Respiratory Medicine, JSS Medical College, JSS Academy of Higher Education & Research (JSSAHER), Mysore 570015, India
| | - Katrina A. Lambert
- Department of Public Health, School of Psychology and Public Health, College of Science Health and Engineering, La Trobe University, Melbourne, VIC 3086, Australia
| | | | - Mahesh Padukudru Anand
- Department of Respiratory Medicine, JSS Medical College, JSS Academy of Higher Education & Research (JSSAHER), Mysore 570015, India
| | - Bircan Erbas
- Department of Public Health, School of Psychology and Public Health, College of Science Health and Engineering, La Trobe University, Melbourne, VIC 3086, Australia
- Faculty of Public Health, Universitas Airlangga, Surabaya 60115, Indonesia
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21
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Hickman B, Kirjavainen PV, Täubel M, de Vos WM, Salonen A, Korpela K. Determinants of bacterial and fungal microbiota in Finnish home dust: Impact of environmental biodiversity, pets, and occupants. Front Microbiol 2022; 13:1011521. [PMID: 36419417 PMCID: PMC9676251 DOI: 10.3389/fmicb.2022.1011521] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Accepted: 09/23/2022] [Indexed: 11/22/2023] Open
Abstract
The indoors is where many humans spend most of their time, and are strongly exposed to indoor microbiota, which may have multifaceted effects on health. Therefore, a comprehensive understanding of the determinants of indoor microbiota is necessary. We collected dust samples from 295 homes of families with young children in the Helsinki region of Finland and analyzed the bacterial and fungal composition based on the 16S rRNA and ITS DNA sequences. Microbial profiles were combined with extensive survey data on family structure, daily life, and physical characteristics of the home, as well as additional external environmental information, such as land use, and vegetational biodiversity near the home. Using permutational multivariate analysis of variance we explained 18% of the variation of the relative abundance between samples within bacterial composition, and 17% of the fungal composition with the explanatory variables. The fungal community was dominated by the phyla Basidiomycota, and Ascomycota; the bacterial phyla Proteobacteria, Firmicutes, Cyanobacteria, and Actinobacteria were dominant. The presence of dogs, multiple children, and firewood were significantly associated with both the fungal and bacterial composition. Additionally, fungal communities were associated with land use, biodiversity in the area, and the type of building, while bacterial communities were associated with the human inhabitants and cleaning practices. A distinction emerged between members of Ascomycota and Basidiomycota, Ascomycota being more abundant in homes with greater surrounding natural environment, and potential contact with the environment. The results suggest that the fungal composition is strongly dependent on the transport of outdoor environmental fungi into homes, while bacteria are largely derived from the inhabitants.
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Affiliation(s)
- Brandon Hickman
- Human Microbiome Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Pirkka V. Kirjavainen
- Environmental Health Unit, Finnish Institute for Health and Welfare, Kuopio, Finland
- Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
| | - Martin Täubel
- Environmental Health Unit, Finnish Institute for Health and Welfare, Kuopio, Finland
| | - Willem M. de Vos
- Human Microbiome Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Anne Salonen
- Human Microbiome Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Katri Korpela
- Human Microbiome Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
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22
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Urbaniak C, Morrison MD, Thissen JB, Karouia F, Smith DJ, Mehta S, Jaing C, Venkateswaran K. Microbial Tracking-2, a metagenomics analysis of bacteria and fungi onboard the International Space Station. MICROBIOME 2022; 10:100. [PMID: 35765106 PMCID: PMC9241228 DOI: 10.1186/s40168-022-01293-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 05/19/2022] [Indexed: 05/13/2023]
Abstract
BACKGROUND The International Space Station (ISS) is a unique and complex built environment with the ISS surface microbiome originating from crew and cargo or from life support recirculation in an almost entirely closed system. The Microbial Tracking 1 (MT-1) project was the first ISS environmental surface study to report on the metagenome profiles without using whole-genome amplification. The study surveyed the microbial communities from eight surfaces over a 14-month period. The Microbial Tracking 2 (MT-2) project aimed to continue the work of MT-1, sampling an additional four flights from the same locations, over another 14 months. METHODS Eight surfaces across the ISS were sampled with sterile wipes and processed upon return to Earth. DNA extracted from the processed samples (and controls) were treated with propidium monoazide (PMA) to detect intact/viable cells or left untreated and to detect the total DNA population (free DNA/compromised cells/intact cells/viable cells). DNA extracted from PMA-treated and untreated samples were analyzed using shotgun metagenomics. Samples were cultured for bacteria and fungi to supplement the above results. RESULTS Staphylococcus sp. and Malassezia sp. were the most represented bacterial and fungal species, respectively, on the ISS. Overall, the ISS surface microbiome was dominated by organisms associated with the human skin. Multi-dimensional scaling and differential abundance analysis showed significant temporal changes in the microbial population but no spatial differences. The ISS antimicrobial resistance gene profiles were however more stable over time, with no differences over the 5-year span of the MT-1 and MT-2 studies. Twenty-nine antimicrobial resistance genes were detected across all samples, with macrolide/lincosamide/streptogramin resistance being the most widespread. Metagenomic assembled genomes were reconstructed from the dataset, resulting in 82 MAGs. Functional assessment of the collective MAGs showed a propensity for amino acid utilization over carbohydrate metabolism. Co-occurrence analyses showed strong associations between bacterial and fungal genera. Culture analysis showed the microbial load to be on average 3.0 × 105 cfu/m2 CONCLUSIONS: Utilizing various metagenomics analyses and culture methods, we provided a comprehensive analysis of the ISS surface microbiome, showing microbial burden, bacterial and fungal species prevalence, changes in the microbiome, and resistome over time and space, as well as the functional capabilities and microbial interactions of this unique built microbiome. Data from this study may help to inform policies for future space missions to ensure an ISS surface microbiome that promotes astronaut health and spacecraft integrity. Video Abstract.
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Affiliation(s)
- Camilla Urbaniak
- Biotechnology and Planetary Protection Group, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, 91109, USA
| | - Michael D Morrison
- Physical and Life Sciences Directorate, Lawrence Livermore National Laboratory, Livermore, CA, USA
| | - James B Thissen
- Physical and Life Sciences Directorate, Lawrence Livermore National Laboratory, Livermore, CA, USA
| | - Fathi Karouia
- KBRwyle, NASA Ames Research Center, Moffett Field, Mountain View, CA, USA
- Department of Pharmaceutical Chemistry, University of California San Francisco, San Francisco, CA, USA
- Blue Marble Space Institute of Science, Exobiology Branch, NASA Ames Research Center, Moffett Field, CA, 94035, USA
| | - David J Smith
- Space Biosciences Research Branch, NASA Ames Research Center, Moffett Field, Mountain View, CA, USA
| | - Satish Mehta
- JesTech, NASA-Johnson Space Center, Houston, TX, USA
| | - Crystal Jaing
- Physical and Life Sciences Directorate, Lawrence Livermore National Laboratory, Livermore, CA, USA
| | - Kasthuri Venkateswaran
- Biotechnology and Planetary Protection Group, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, 91109, USA.
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23
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Chueachavalit C, Meephansan J, Payungporn S, Sawaswong V, Chanchaem P, Wongpiyabovorn J, Thio HB. Comparison of Malassezia spp. colonization between human skin exposed to high and low ambient air pollution. Exp Dermatol 2022; 31:1454-1461. [PMID: 35665543 DOI: 10.1111/exd.14622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 05/22/2022] [Accepted: 06/01/2022] [Indexed: 11/30/2022]
Abstract
BACKGROUND The skin microbiota is essential for human health; altered skin microbiome colonization and homeostasis may be associated with several inflammatory skin conditions and other inflammatory diseases. The effects of particulate matter of diameter less than 2.5 micrometers (PM2.5) on the skin and the skin microbiome are poorly understood. Malassezia spp. are commensal fungi commonly found on the human skin, and they also play a pathogenic role in various skin diseases. It is hypothesized that the exposure of human skin to air pollution with a high concentration of PM2.5 might be associated with Malassezia spp. colonization. The aim of this study was to compare Malassezia spp. colonization on healthy human skin between people living in two major cities in Thailand with different air qualities: one city with highly polluted ambient air and the other with less polluted air. METHODS Skin microbiome samples from 66 participants were collected using swabbing and scraping techniques. The skin fungal composition was analyzed using high-throughput sequencing based on internal transcribed spacer 2 (ITS2) rDNA. RESULTS A significant difference was found in alpha and beta diversities and the relative abundance of fungal profiles between the groups. The relative abundance of Malassezia spp. was found to be significantly higher in the highly polluted area than in the less polluted area. CONCLUSION This study demonstrates that ambient air polluted with high concentrations of PM2.5 may alter Malassezia spp. colonization on healthy human skin, which could lead to dysbiosis of the cutaneous ecosystem and eventually result in some skin disorders.
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Affiliation(s)
- C Chueachavalit
- Division of Dermatology, Chulabhorn International College of Medicine, Thammasat University, Pathum Thani, Thailand
| | - J Meephansan
- Division of Dermatology, Chulabhorn International College of Medicine, Thammasat University, Pathum Thani, Thailand
| | - S Payungporn
- Research Unit of Systems Microbiology, Department of Biochemistry, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - V Sawaswong
- Research Unit of Systems Microbiology, Department of Biochemistry, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - P Chanchaem
- Research Unit of Systems Microbiology, Department of Biochemistry, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - J Wongpiyabovorn
- Division of Immunology, Department of Microbiology, Faculty of Medicine, Center of Excellence in Immunology and Immune-Mediated Diseases, Chulalongkorn University, Bangkok, Thailand
| | - H B Thio
- Department of Dermatology, Erasmus University Medical Center, Rotterdam, Netherland
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Manibusan S, Mainelis G. Passive Bioaerosol Samplers: A Complementary Tool for Bioaerosol Research. A Review. JOURNAL OF AEROSOL SCIENCE 2022; 163:105992. [PMID: 36386279 PMCID: PMC9648171 DOI: 10.1016/j.jaerosci.2022.105992] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Bioaerosols consist of airborne particles of biological origin. They play an important role in our environment and may cause negative health effects. The presence of biological aerosol is typically determined using active samplers. While passive bioaerosol samplers are used much less frequently in bioaerosol investigations, they offer certain advantages, such as simple design, low cost, and long sampling duration. This review discusses different types of passive bioaerosol samplers, including their collection mechanisms, advantages and disadvantages, applicability in different sampling environments, and available sample elution and analysis methods. Most passive samplers are based on gravitational settling and electrostatic capture mechanism or their combination. We discuss the agar settle plate, dustfall collector, Personal Aeroallergen Sampler (PAAS), and settling filters among the gravity-based samplers. The described electrostatics-based samplers include electrostatic dust cloths (EDC) and Rutgers Electrostatic Passive Sampler (REPS). In addition, the review also discusses passive opportunity samplers using preexisting airflow, such as filters in HVAC systems. Overall, passive bioaerosol sampling technologies are inexpensive, easy to operate, and can continuously sample for days and even weeks which is not easily accomplished by active sampling devices. Although passive sampling devices are usually treated as qualitative tools, they still provide information about bioaerosol presence and diversity, especially over longer time scales. Overall, this review suggests that the use of passive bioaerosol samplers alongside active collection devices can aid researchers in developing a more comprehensive understanding of biological presence and dynamics, especially over extended time scales and multiple locations.
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Affiliation(s)
- Sydonia Manibusan
- Department of Environmental Sciences, Rutgers, The State University of New Jersey, 14 College Farm Road, New Brunswick, New Jersey 08901-8551, USA
| | - Gediminas Mainelis
- Department of Environmental Sciences, Rutgers, The State University of New Jersey, 14 College Farm Road, New Brunswick, New Jersey 08901-8551, USA
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25
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Gusareva ES, Gaultier NE, Uchida A, Premkrishnan BNV, Heinle CE, Phung WJ, Wong A, Lau KJX, Yap ZH, Koh Y, Ang PN, Putra A, Panicker D, Lee JGH, Neves LC, Drautz-Moses DI, Schuster SC. Short-range contributions of local sources to ambient air. PNAS NEXUS 2022; 1:pgac043. [PMID: 36713329 PMCID: PMC9802476 DOI: 10.1093/pnasnexus/pgac043] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 04/07/2022] [Indexed: 06/18/2023]
Abstract
Recent developments in aerobiology have enabled the investigation of airborne biomass with high temporal and taxonomic resolution. In this study, we assess the contributions of local sources to ambient air within a 160,000 m2 tropical avian park (AP). We sequenced and analyzed 120 air samples from seven locations situated 160 to 400 m apart, representing distinct microhabitats. Each microhabitat contained a characteristic air microbiome, defined by the abundance and richness of its airborne microbial community members, supported by both, PCoA and Random Forest analysis. Each outdoor microhabitat contained 1% to 18.6% location-specific taxa, while a core microbiome of 27.1% of the total taxa was shared. To identify and assess local sources, we compared the AP dataset with a DVE reference dataset from a location 2 km away, collected during a year-round sampling campaign. Intersection of data from the two sites demonstrated 61.6% of airborne species originated from local sources of the AP, 34.5% from ambient air background, and only 3.9% of species were specific to the DVE reference site. In-depth taxonomic analysis demonstrated association of bacteria-dominated air microbiomes with indoor spaces, while fungi-dominated airborne microbial biomass was predominant in outdoor settings with ample vegetation. The approach presented here demonstrates an ability to identify local source contributions against an ambient air background, despite the prevailing mixing of air masses caused by atmospheric turbulences.
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Affiliation(s)
| | | | - Akira Uchida
- Singapore Center for Environmental Life Sciences Engineering (SCELSE), Nanyang Technological University, 60 Nanyang Drive, Singapore 637551, Singapore
| | - Balakrishnan N V Premkrishnan
- Singapore Center for Environmental Life Sciences Engineering (SCELSE), Nanyang Technological University, 60 Nanyang Drive, Singapore 637551, Singapore
| | - Cassie E Heinle
- Singapore Center for Environmental Life Sciences Engineering (SCELSE), Nanyang Technological University, 60 Nanyang Drive, Singapore 637551, Singapore
| | - Wen J Phung
- Singapore Center for Environmental Life Sciences Engineering (SCELSE), Nanyang Technological University, 60 Nanyang Drive, Singapore 637551, Singapore
| | - Anthony Wong
- Singapore Center for Environmental Life Sciences Engineering (SCELSE), Nanyang Technological University, 60 Nanyang Drive, Singapore 637551, Singapore
| | - Kenny J X Lau
- Singapore Center for Environmental Life Sciences Engineering (SCELSE), Nanyang Technological University, 60 Nanyang Drive, Singapore 637551, Singapore
| | - Zhei H Yap
- Singapore Center for Environmental Life Sciences Engineering (SCELSE), Nanyang Technological University, 60 Nanyang Drive, Singapore 637551, Singapore
| | - Yanqing Koh
- Singapore Center for Environmental Life Sciences Engineering (SCELSE), Nanyang Technological University, 60 Nanyang Drive, Singapore 637551, Singapore
| | - Poh N Ang
- Singapore Center for Environmental Life Sciences Engineering (SCELSE), Nanyang Technological University, 60 Nanyang Drive, Singapore 637551, Singapore
| | - Alexander Putra
- Singapore Center for Environmental Life Sciences Engineering (SCELSE), Nanyang Technological University, 60 Nanyang Drive, Singapore 637551, Singapore
| | - Deepa Panicker
- Singapore Center for Environmental Life Sciences Engineering (SCELSE), Nanyang Technological University, 60 Nanyang Drive, Singapore 637551, Singapore
| | - Jessica G H Lee
- Mandai Nature, 80 Mandai Lake Rd, Singapore 729826, Singapore
| | - Luis C Neves
- Animal Care Department, Mandai Wildlife Group, 80 Mandai Lake Rd, Singapore 729826, Singapore
| | - Daniela I Drautz-Moses
- Singapore Center for Environmental Life Sciences Engineering (SCELSE), Nanyang Technological University, 60 Nanyang Drive, Singapore 637551, Singapore
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26
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Wu K, Guo B, Guo Y, Han M, Xu H, Luo R, Hong Z, Zhang B, Dong K, Wu J, Zhang N, Chen G, Li S, Zuo H, Pei X, Zhao X. Association between residential greenness and gut microbiota in Chinese adults. ENVIRONMENT INTERNATIONAL 2022; 163:107216. [PMID: 35366558 DOI: 10.1016/j.envint.2022.107216] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 02/06/2022] [Accepted: 03/24/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND A growing body of studies have reported the health benefits of greenness. However, less is known about the potential beneficial effects of residential greenness on gut microbiota, which is essential to human health. In this study, we aim to examine the association between residential greenness and gut microbiota in a population-based cohort study. METHODS We included 1758 participants based on the China Multi-Ethnic Cohort (CMEC) study and collected their stool samples for 16S sequencing to derive gut microbiota data. Residential greenness was estimated using the satellite-based data on enhanced vegetation index (EVI) and the normalized differential vegetation index (NDVI) in circular buffers of 250 m, 500 m, and 1000 m. The relationships between residential greenness levels and the composition of gut microbiota, measured by standardized α-diversity and taxonomic composition, were assessed using linear regression and Spearman correlation weighted by generalized propensity scores. RESULTS Higher greenness levels were significantly positively associated with standardized α-diversity. Per interquartile range (IQR) increase of EVI and NDVI in the circular buffer of 250 m were associated with the increments of 0.995(95% confidence interval (CI): 0.212-1.778) and 0.653(95% CI: 0.160-1.146) in the standardized Shannon index. For the taxonomic composition of gut microbiota, higher greenness levels were significantly correlated with 29 types of microbial taxonomic composition. NDVI in the circular buffer of 250 m was associated with increased Firmicutes (r = 0.102, adjusted p value = 0.004), which was the dominant composition in the gut microbiota. CONCLUSIONS Increased amounts of residential greenness may support healthy gut microbiota by benignly altering their composition. These findings suggested that green spaces should be designed to support diverse gut microbiota and ultimately optimize health benefits.
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Affiliation(s)
- Kunpeng Wu
- Department of Epidemiology and Health Statistics, West China School of Public Health / West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Bing Guo
- Department of Epidemiology and Health Statistics, West China School of Public Health / West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yuming Guo
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
| | - Mingming Han
- Chengdu Center for Disease Control &Prevention, Chengdu, Sichuan, China
| | - Huan Xu
- Department of Epidemiology and Health Statistics, West China School of Public Health / West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Ruocheng Luo
- Department of Public Health Laboratory Sciences, West China School of Public Health / West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Zehui Hong
- Department of Public Health Laboratory Sciences, West China School of Public Health / West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Baochao Zhang
- Department of Public Health Laboratory Sciences, West China School of Public Health / West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Ke Dong
- Department of Public Health Laboratory Sciences, West China School of Public Health / West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Jialong Wu
- Department of Epidemiology and Health Statistics, West China School of Public Health / West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Ning Zhang
- Department of Epidemiology and Health Statistics, West China School of Public Health / West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Gongbo Chen
- Guangdong Provincial Engineering Technology Research Center of Environmental and Health Risk Assessment, Department of Occupational and Environmental Health, School of Public Health, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Shanshan Li
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
| | - Haojiang Zuo
- Department of Public Health Laboratory Sciences, West China School of Public Health / West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China.
| | - Xiaofang Pei
- Department of Public Health Laboratory Sciences, West China School of Public Health / West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China.
| | - Xing Zhao
- Department of Epidemiology and Health Statistics, West China School of Public Health / West China Fourth Hospital, Sichuan University, Chengdu, Sichuan, China.
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Soininen L, Roslund MI, Nurminen N, Puhakka R, Laitinen OH, Hyöty H, Sinkkonen A. Indoor green wall affects health-associated commensal skin microbiota and enhances immune regulation: a randomized trial among urban office workers. Sci Rep 2022; 12:6518. [PMID: 35444249 PMCID: PMC9021224 DOI: 10.1038/s41598-022-10432-4] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Accepted: 03/29/2022] [Indexed: 02/07/2023] Open
Abstract
Urbanization reduces microbiological abundance and diversity, which has been associated with immune mediated diseases. Urban greening may be used as a prophylactic method to restore microbiological diversity in cities and among urbanites. This study evaluated the impact of air-circulating green walls on bacterial abundance and diversity on human skin, and on immune responses determined by blood cytokine measurements. Human subjects working in offices in two Finnish cities (Lahti and Tampere) participated in a two-week intervention, where green walls were installed in the rooms of the experimental group. Control group worked without green walls. Skin and blood samples were collected before (Day0), during (Day14) and two weeks after (Day28) the intervention. The relative abundance of genus Lactobacillus and the Shannon diversity of phylum Proteobacteria and class Gammaproteobacteria increased in the experimental group. Proteobacterial diversity was connected to the lower proinflammatory cytokine IL-17A level among participants in Lahti. In addition, the change in TGF-β1 levels was opposite between the experimental and control group. As skin Lactobacillus and the diversity of Proteobacteria and Gammaproteobacteria are considered advantageous for skin health, air-circulating green walls may induce beneficial changes in a human microbiome. The immunomodulatory potential of air-circulating green walls deserves further research attention.
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Affiliation(s)
- L Soininen
- Ecosystems and Environment Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Niemenkatu 73, 15140, Lahti, Finland
| | - M I Roslund
- Ecosystems and Environment Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Niemenkatu 73, 15140, Lahti, Finland.,Natural Resources Institute Finland, Horticulture Technologies, Turku and Helsinki, Finland
| | - N Nurminen
- Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, 33520, Tampere, Finland
| | - R Puhakka
- Ecosystems and Environment Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Niemenkatu 73, 15140, Lahti, Finland
| | - O H Laitinen
- Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, 33520, Tampere, Finland
| | - H Hyöty
- Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, 33520, Tampere, Finland
| | - A Sinkkonen
- Natural Resources Institute Finland, Horticulture Technologies, Turku and Helsinki, Finland.
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Cando‐Dumancela C, Davies T, Hodgson RJ, Liddicoat C, Peddle SD, Watson CD, Breed MF. A practical guide for restoration ecologists to manage microbial contamination risks before laboratory processes during microbiota restoration studies. Restor Ecol 2022. [DOI: 10.1111/rec.13687] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
| | - Tarryn Davies
- College of Science and Engineering Flinders University Adelaide SA 5042 Australia
| | - Riley J. Hodgson
- College of Science and Engineering Flinders University Adelaide SA 5042 Australia
| | - Craig Liddicoat
- College of Science and Engineering Flinders University Adelaide SA 5042 Australia
- School of Public Health The University of Adelaide Adelaide SA 5005 Australia
| | - Shawn D. Peddle
- College of Science and Engineering Flinders University Adelaide SA 5042 Australia
| | - Carl D. Watson
- College of Science and Engineering Flinders University Adelaide SA 5042 Australia
| | - Martin F. Breed
- College of Science and Engineering Flinders University Adelaide SA 5042 Australia
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29
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Zhou D, Li N, Yang F, Zhang H, Bai Z, Dong Y, Li M, Zhu W, Fei Z, Xiao P, Sun X, Lu Z. Soil causes gut microbiota to flourish and total serum IgE levels to decrease in mice. Environ Microbiol 2022; 24:3898-3911. [PMID: 35315566 DOI: 10.1111/1462-2920.15979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Accepted: 03/16/2022] [Indexed: 11/27/2022]
Abstract
Traditional farm environments induce protection from allergic diseases. In this study, farm environmental factors were classified into three categories, environmental microbes, soil, and organic matter. To explore the impact of soil and environmental microorganisms on gut microbiota and immune function, mice were fed sterilized soil and inhaling microbes, soil microbes, or non-sterilized soil. Metagenomic sequencing results showed the intake of sterile soil i.e. inhaling a small amount of soil microbes in the air increased gut microbial diversity and the abundance of type III secretion system (T3SS) genes, and decreased serum immune IgE levels induced by 2-4-dinitrofluorobenzene(DNFB). The intake of soil microbes increased the abundance of genes involved in the metabolism of short chain fatty acids and amino acid biosynthesis. Meanwhile, the intake of soil increased gut microbial diversity, the abundance of T3SS genes and related infectious elements, and genes associated with the metabolism of short chain fatty acids and amino acid biosynthesis, and decreased serum IgE levels. Therefore, soil may be useful as a potential "prebiotic" promoting the reproduction and growth of some intestinal microorganisms that harbor bacterial secretion system genes, especially those of T3SS, whose abundance was positively and significantly correlated with innate immune function of mice. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Dongrui Zhou
- Key Laboratory of Child Development and Learning Science of Ministry of Education, Southeast University, Nanjing, 210096, China
| | - Na Li
- Key Laboratory of Child Development and Learning Science of Ministry of Education, Southeast University, Nanjing, 210096, China
| | - Fan Yang
- Key Laboratory of Child Development and Learning Science of Ministry of Education, Southeast University, Nanjing, 210096, China
| | - Honglin Zhang
- College of Food Science, Nanjing Xiaozhuang University, Nanjing, 211171, China
| | - Zhimao Bai
- Key Laboratory of Environmental Medicine Engineering of Ministry of Education, Southeast University, Nanjing, 210009, China
| | - Yangyang Dong
- Key Laboratory of Child Development and Learning Science of Ministry of Education, Southeast University, Nanjing, 210096, China
| | - Mengjie Li
- Key Laboratory of Child Development and Learning Science of Ministry of Education, Southeast University, Nanjing, 210096, China
| | - Wenyong Zhu
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing, 210096, China
| | - Zhongjie Fei
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing, 210096, China
| | - Pengfeng Xiao
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing, 210096, China
| | - Xiao Sun
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing, 210096, China
| | - Zuhong Lu
- State Key Laboratory of Bioelectronics, Southeast University, Nanjing, 210096, China
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Wang J, Huang JJ, Lynch I. Seasonal and short-term variations of bacteria and pathogenic bacteria on road deposited sediments. ENVIRONMENTAL RESEARCH 2022; 204:111903. [PMID: 34454932 DOI: 10.1016/j.envres.2021.111903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 08/13/2021] [Accepted: 08/16/2021] [Indexed: 06/13/2023]
Abstract
The bacteria (including pathogenic bacteria) attached to road deposited sediments (RDS) may interrelate with the microbe in the atmosphere, soil and water through resuspension and wash-off, and is of great significance to human and ecological health. However, the characteristics of bacterial communities with different time scale on RDS were unknown to dates. Climate change prolonged the dry days between rain events in many areas, making the varied trend of bacterial communities might be more significant in short term. This study revealed the characteristics of bacterial communities on RDS in urban and suburban areas through seasonal and daily scale. The correlations between other factors (land use, particle size, and chemical components) and the bacterial communities were also analyzed. It was found that the season showed a higher association with the bacterial community diversity than land use and particle size in urban areas. The bacterial community diversity increased substantially throughout the short-term study period (41 days) and the variation of dominant bacteria could be fitted by quadratic function in suburbs. In addition, urbanization notably increased the bacterial community diversity, while the potential pathogenic bacteria were more abundant in the suburban areas, coarse RDS (>75 μm), and in spring. The chemical components on RDS showed special correlations with the relative abundance of dominant bacteria. The research findings would fill the knowledge gap on RDS bacterial communities and be helpful for the future research on the assembly process of bacterial communities.
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Affiliation(s)
- Jingshu Wang
- College of Environmental Science and Engineering/Sino-Canada Joint R&D Centre on Water and Environmental Safety, Nankai University, 300071, Tianjin, China
| | - Jinhui Jeanne Huang
- College of Environmental Science and Engineering/Sino-Canada Joint R&D Centre on Water and Environmental Safety, Nankai University, 300071, Tianjin, China.
| | - Iseult Lynch
- School of Geography, Earth and Environmental Sciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, United Kingdom
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Peters RL, Mavoa S, Koplin JJ. An Overview of Environmental Risk Factors for Food Allergy. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19020722. [PMID: 35055544 PMCID: PMC8776075 DOI: 10.3390/ijerph19020722] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 12/20/2021] [Accepted: 12/21/2021] [Indexed: 11/16/2022]
Abstract
IgE-mediated food allergy is an increasing public health concern in many regions around the world. Although genetics play a role in the development of food allergy, the reported increase has occurred largely within a single generation and therefore it is unlikely that this can be accounted for by changes in the human genome. Environmental factors must play a key role. While there is strong evidence to support the early introduction of allergenic solids to prevent food allergy, this is unlikely to be sufficient to prevent all food allergy. The purpose of this review is to summarize the evidence on risk factors for food allergy with a focus the outdoor physical environment. We discuss emerging evidence of mechanisms that could explain a role for vitamin D, air pollution, environmental greenness, and pollen exposure in the development of food allergy. We also describe the recent extension of the dual allergen exposure hypothesis to potentially include the respiratory epithelial barrier in addition to the skin. Few existing studies have examined the relationship between these environmental factors with objective measures of IgE-mediated food allergy and further research in this area is needed. Future research also needs to consider the complex interplay between multiple environmental factors.
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Affiliation(s)
- Rachel L. Peters
- Murdoch Children’s Research Institute, Parkville 3052, Australia; (S.M.); (J.J.K.)
- Department of Paediatrics, University of Melbourne, Parkville 3052, Australia
- Correspondence:
| | - Suzanne Mavoa
- Murdoch Children’s Research Institute, Parkville 3052, Australia; (S.M.); (J.J.K.)
- Melbourne School of Population and Global Health, University of Melbourne, Parkville 3052, Australia
| | - Jennifer J. Koplin
- Murdoch Children’s Research Institute, Parkville 3052, Australia; (S.M.); (J.J.K.)
- Department of Paediatrics, University of Melbourne, Parkville 3052, Australia
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32
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Apangu GP, Frisk CA, Petch GM, Muggia L, Pallavicini A, Hanson M, Skjøth CA. Environmental DNA reveals diversity and abundance of Alternaria species in neighbouring heterogeneous landscapes in Worcester, UK. AEROBIOLOGIA 2022; 38:457-481. [PMID: 36471880 PMCID: PMC9715499 DOI: 10.1007/s10453-022-09760-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 09/28/2022] [Indexed: 05/05/2023]
Abstract
UNLABELLED Alternaria is a pathogenic and allergenic fungus affecting 400 plant species and 334 million people globally. This study aimed at assessing the diversity of Alternaria species in airborne samples collected from closely located (7 km apart) and heterogeneous sites (rural, urban and unmanaged grassland) in Worcester and Lakeside, the UK. A secondary objective was to examine how the ITS1 subregion varies from ITS2 in Alternaria species diversity and composition. Airborne spores were collected using Burkard 7-day and multi-vial Cyclone samplers for the period 5 July 2016-9 October 2019. Air samples from the Cyclone were amplified using the ITS1and ITS2 subregions and sequenced using Illumina MiSeq platform whereas those from the Burkard sampler were identified and quantified using optical microscopy. Optical microscopy and eDNA revealed a high abundance of Alternaria in the rural, urban and unmanaged sites. ITS1 and ITS2 detected five and seven different Alternaria species at the three sampling sites, respectively. A. dactylidicola, A. metachromatica and A. infectoria were the most abundant. The rural, urban and unmanaged grassland sites had similar diversity (PERMANOVA) of the species due to similarity in land use and proximity of the sites. Overall, the study showed that heterogeneous and neighbouring sites with similar land uses can have similar Alternaria species. It also demonstrated that an eDNA approach can complement the classical optical microscopy method in providing more precise information on fungal species diversity in an environment for targeted management. Similar studies can be replicated for other allergenic and pathogenic fungi. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s10453-022-09760-9.
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Affiliation(s)
- Godfrey Philliam Apangu
- School of Science and the Environment, University of Worcester, Henwick Grove, WR2 6AJ Worcester UK
- Present Address: Protecting Crops and the Environment, Rothamsted Research, West Common, Harpenden, AL5 2JQ Hertfordshire UK
| | - Carl Alexander Frisk
- School of Science and the Environment, University of Worcester, Henwick Grove, WR2 6AJ Worcester UK
- Present Address: Department of Urban Greening and Vegetation Ecology, Norwegian Institute of Bioeconomy Research, Ås, Norway
| | - Geoffrey M. Petch
- School of Science and the Environment, University of Worcester, Henwick Grove, WR2 6AJ Worcester UK
| | - Lucia Muggia
- Department of Life Sciences, University of Trieste, Via Giorgieri 10, 34127 Trieste, Italy
| | - Alberto Pallavicini
- Department of Life Sciences, University of Trieste, Via Giorgieri 10, 34127 Trieste, Italy
| | - Mary Hanson
- School of Science and the Environment, University of Worcester, Henwick Grove, WR2 6AJ Worcester UK
| | - Carsten Ambelas Skjøth
- School of Science and the Environment, University of Worcester, Henwick Grove, WR2 6AJ Worcester UK
- Department of Environmental Science, Aarhus University, Frederiksborgvej 399, 4000 Roskilde, Denmark
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Haahtela T, Alenius H, Lehtimäki J, Sinkkonen A, Fyhrquist N, Hyöty H, Ruokolainen L, Mäkelä MJ. Immunological resilience and biodiversity for prevention of allergic diseases and asthma. Allergy 2021; 76:3613-3626. [PMID: 33959980 DOI: 10.1111/all.14895] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 04/27/2021] [Accepted: 04/29/2021] [Indexed: 02/07/2023]
Abstract
Increase of allergic conditions has occurred at the same pace with the Great Acceleration, which stands for the rapid growth rate of human activities upon earth from 1950s. Changes of environment and lifestyle along with escalating urbanization are acknowledged as the main underlying causes. Secondary (tertiary) prevention for better disease control has advanced considerably with innovations for oral immunotherapy and effective treatment of inflammation with corticosteroids, calcineurin inhibitors, and biological medications. Patients are less disabled than before. However, primary prevention has remained a dilemma. Factors predicting allergy and asthma risk have proven complex: Risk factors increase the risk, while protective factors counteract them. Interaction of human body with environmental biodiversity with micro-organisms and biogenic compounds as well as the central role of epigenetic adaptation in immune homeostasis have given new insight. Allergic diseases are good indicators of the twisted relation to environment. In various non-communicable diseases, the protective mode of the immune system indicates low-grade inflammation without apparent cause. Giving microbes, pro- and prebiotics, has shown some promise in prevention and treatment. The real-world public health programme in Finland (2008-2018) emphasized nature relatedness and protective factors for immunological resilience, instead of avoidance. The nationwide action mitigated the allergy burden, but in the lack of controls, primary preventive effect remains to be proven. The first results of controlled biodiversity interventions are promising. In the fast urbanizing world, new approaches are called for allergy prevention, which also has a major cost saving potential.
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Affiliation(s)
- Tari Haahtela
- Skin and Allergy Hospital Helsinki University HospitalUniversity of Helsinki Helsinki Finland
| | - Harri Alenius
- Institute of Environmental Medicine Karolinska Institutet Stockholm Sweden
- Department of Bacteriology and Immunology Medicum University of Helsinki Helsinki Finland
| | | | - Aki Sinkkonen
- Natural Resources Institute Finland, Horticulture Technologies Turku Finland
| | - Nanna Fyhrquist
- Institute of Environmental Medicine Karolinska Institutet Stockholm Sweden
- Department of Bacteriology and Immunology Medicum University of Helsinki Helsinki Finland
| | - Heikki Hyöty
- Faculty of Medicine and Health Technology Tampere University Tampere Finland
- Fimlab Laboratories Pirkanmaa Hospital District Tampere Finland
| | - Lasse Ruokolainen
- Lasse Ruokolainen Department of Biosciences University of Helsinki Helsinki Finland
| | - Mika J. Mäkelä
- Skin and Allergy Hospital Helsinki University HospitalUniversity of Helsinki Helsinki Finland
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Gisler A, Korten I, de Hoogh K, Vienneau D, Frey U, Decrue F, Gorlanova O, Soti A, Hilty M, Latzin P, Usemann J. Associations of air pollution and greenness with the nasal microbiota of healthy infants: A longitudinal study. ENVIRONMENTAL RESEARCH 2021; 202:111633. [PMID: 34256075 DOI: 10.1016/j.envres.2021.111633] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 06/29/2021] [Accepted: 06/30/2021] [Indexed: 05/25/2023]
Abstract
BACKGROUND Air pollution and greenness are associated with short- and long-term respiratory health in children but the underlying mechanisms are only scarcely investigated. The nasal microbiota during the first year of life has been shown to be associated with respiratory tract infections and asthma development. Thus, an interplay between greenness, air pollution and the early nasal microbiota may contribute to short- and long-term respiratory health. We aimed to examine associations between fine particulate matter (PM2.5), nitrogen dioxide (NO2) and greenness with the nasal microbiota of healthy infants during the first year of life in a European context with low-to-moderate air pollution levels. METHODS Microbiota characterization was performed using 16 S rRNA pyrosequencing of 846 nasal swabs collected fortnightly from 47 healthy infants of the prospective Basel-Bern Infant Lung Development (BILD) cohort. We investigated the association of satellite-based greenness and an 8-day-average exposure to air pollution (PM2.5, NO2) with the nasal microbiota during the first year of life. Exposures were individually estimated with novel spatial-temporal models incorporating satellite data. Generalized additive mixed models adjusted for known confounders and considering the autoregressive correlation structure of the data were used for analysis. RESULTS Mean (SD) PM2.5 level was 17.1 (3.8 μg/m3) and mean (SD) NO2 level was 19.7 (7.9 μg/m3). Increased PM2.5 and increased NO2 were associated with reduced within-subject Ružička dissimilarity (PM2.5: per 1 μg/m3 -0.004, 95% CI -0.008, -0.001; NO2: per 1 μg/m3 -0.004, 95% CI -0.007, -0.001). Whole microbial community comparison with nonmetric multidimensional scaling revealed distinct microbiota profiles for different PM2.5 exposure levels. Increased NO2 was additionally associated with reduced abundance of Corynebacteriaceae (per 1 μg/m3: -0.027, 95% CI -0.053, -0.001). No associations were found between greenness and the nasal microbiota. CONCLUSION Air pollution was associated with Ružička dissimilarity and relative abundance of Corynebacteriaceae. This suggests that even low-to-moderate exposure to air pollution may impact the nasal microbiota during the first year of life. Our results will be useful for future studies assessing the clinical relevance of air-pollution-induced alterations of the nasal microbiota with subsequent respiratory disease development.
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Affiliation(s)
- Amanda Gisler
- University Children's Hospital Basel, University of Basel, Basel, Switzerland; Division of Paediatric Respiratory Medicine and Allergology, Department of Paediatrics, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Insa Korten
- University Children's Hospital Basel, University of Basel, Basel, Switzerland; Division of Paediatric Respiratory Medicine and Allergology, Department of Paediatrics, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Kees de Hoogh
- Swiss Tropical and Public Health Institute, Basel, Switzerland; University of Basel, Basel, Switzerland
| | - Danielle Vienneau
- Swiss Tropical and Public Health Institute, Basel, Switzerland; University of Basel, Basel, Switzerland
| | - Urs Frey
- University Children's Hospital Basel, University of Basel, Basel, Switzerland; Division of Paediatric Respiratory Medicine and Allergology, Department of Paediatrics, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Fabienne Decrue
- University Children's Hospital Basel, University of Basel, Basel, Switzerland; Division of Paediatric Respiratory Medicine and Allergology, Department of Paediatrics, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Olga Gorlanova
- University Children's Hospital Basel, University of Basel, Basel, Switzerland; Division of Paediatric Respiratory Medicine and Allergology, Department of Paediatrics, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Andras Soti
- University Children's Hospital Basel, University of Basel, Basel, Switzerland; Division of Paediatric Respiratory Medicine and Allergology, Department of Paediatrics, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Markus Hilty
- Institute for Infectious Diseases, University of Bern, Bern, Switzerland
| | - Philipp Latzin
- University Children's Hospital Basel, University of Basel, Basel, Switzerland; Division of Paediatric Respiratory Medicine and Allergology, Department of Paediatrics, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Jakob Usemann
- University Children's Hospital Basel, University of Basel, Basel, Switzerland; Division of Paediatric Respiratory Medicine and Allergology, Department of Paediatrics, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland; Division of Respiratory Medicine, University Children's Hospital Zurich and Childhood Research Center, University of Zurich, Zurich, Switzerland.
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35
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Zhang L, Chen C, Liu C, Zhang Y, Fang J, Han J, Zhao F, Du P, Wang Q, Wang J, Shi W, Wang W, Shi S, Chen R, Kan H, Meng X, Li T, Shi X. Associations of residential greenness with peripheral and central obesity in China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 791:148084. [PMID: 34139501 DOI: 10.1016/j.scitotenv.2021.148084] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 05/21/2021] [Accepted: 05/24/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Obesity is a well-known risk factor for public health. Recent studies found that greenness exposure may protect against obesity. However, the accumulated evidence on associations of greenness-obesity is inconsistent and most of them are from developed countries. OBJECTIVES This study aimed to evaluate the associations of greenness exposure with indicators of peripheral and central obesity. METHODS This cross-sectional study was based on a Chinese national Sub-Clinical Outcomes of Polluted Air (SCOPA) prospective cohort across 15 provinces, and 5849 participants with average age of 64.7 were included. Surrounding greenness was estimated with the Enhanced Vegetation Index (EVI), which was calculated at each participant's residential addresses within a 250 m buffer. Weight, height and waist circumference (WC) were measured, and body mass index (BMI) and the waist-to-height ratio% (WHtR%) were calculated based on those measurements. The relationships between EVI and obese outcomes were explored using multiple linear regression and logistic regression models. RESULTS Non-linear associations were observed between EVI and obese indicators. Participants living in Quartile 3 benefited more than in Quartile 4 compared to the lowest quartile (Quartile 1) of greenness. For peripheral obesity, participants living in Quartile 3 of EVI250m had 0.86 kg/m2 (β -0.86, 95% CI: -1.10, -0.61) lower BMI, and 46% (OR 0.54, 95% CI: 0.44-0.66) lower odds of peripheral obesity than in Quartile 1. For central obesity, participants living in Quartile 3 of EVI250m had 1.85 cm (β -1.85, 95% CI: -2.54, -1.15) lower waist circumference, 1.12% (β -1.12, 95% CI: -1.56, -0.67) lower waist-to-height ratio% (WHtR%), and 33% (OR 0.67, 95% CI: 0.57-0.78) lower odds of central obesity than in Quartile 1 of EVI250m. CONCLUSIONS Higher levels of greenness were statistically significant associated with lower obesity risk.
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Affiliation(s)
- Lina Zhang
- School of Public Health, Key Lab of Public Health Safety of the Ministry of Education and NHC Key Lab of Health Technology Assessment, IRDR ICoE on Risk Interconnectivity and Governance on Weather/Climate Extremes Impact and Public Health, Fudan University, Shanghai 200032, China
| | - Chen Chen
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
| | - Cong Liu
- School of Public Health, Key Lab of Public Health Safety of the Ministry of Education and NHC Key Lab of Health Technology Assessment, IRDR ICoE on Risk Interconnectivity and Governance on Weather/Climate Extremes Impact and Public Health, Fudan University, Shanghai 200032, China
| | - Yi Zhang
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
| | - Jianlong Fang
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
| | - Jingxiu Han
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
| | - Feng Zhao
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
| | - Peng Du
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
| | - Qiong Wang
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
| | - Jiaonan Wang
- Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Wanying Shi
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
| | - Weidong Wang
- School of Public Health, Key Lab of Public Health Safety of the Ministry of Education and NHC Key Lab of Health Technology Assessment, IRDR ICoE on Risk Interconnectivity and Governance on Weather/Climate Extremes Impact and Public Health, Fudan University, Shanghai 200032, China
| | - Su Shi
- School of Public Health, Key Lab of Public Health Safety of the Ministry of Education and NHC Key Lab of Health Technology Assessment, IRDR ICoE on Risk Interconnectivity and Governance on Weather/Climate Extremes Impact and Public Health, Fudan University, Shanghai 200032, China
| | - Renjie Chen
- School of Public Health, Key Lab of Public Health Safety of the Ministry of Education and NHC Key Lab of Health Technology Assessment, IRDR ICoE on Risk Interconnectivity and Governance on Weather/Climate Extremes Impact and Public Health, Fudan University, Shanghai 200032, China
| | - Haidong Kan
- School of Public Health, Key Lab of Public Health Safety of the Ministry of Education and NHC Key Lab of Health Technology Assessment, IRDR ICoE on Risk Interconnectivity and Governance on Weather/Climate Extremes Impact and Public Health, Fudan University, Shanghai 200032, China
| | - Xia Meng
- School of Public Health, Key Lab of Public Health Safety of the Ministry of Education and NHC Key Lab of Health Technology Assessment, IRDR ICoE on Risk Interconnectivity and Governance on Weather/Climate Extremes Impact and Public Health, Fudan University, Shanghai 200032, China.
| | - Tiantian Li
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China.
| | - Xiaoming Shi
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
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Mhuireach GÁ, Wilson H, Johnson BR. Urban Aerobiomes are Influenced by Season, Vegetation, and Individual Site Characteristics. ECOHEALTH 2021; 18:331-344. [PMID: 33170406 DOI: 10.1007/s10393-020-01493-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 10/02/2020] [Accepted: 10/04/2020] [Indexed: 06/11/2023]
Abstract
Exposure to biodiverse environments such as forests can benefit human well-being, and evidence suggests exposure to high microbial diversity may improve mental and immune health. However, the factors that drive microbial community assembly are poorly understood, as is the relationship between exposure to these communities and human health. We characterized airborne bacterial communities in two disparate types of urban greenspace (forest and grass) in late-spring 2017 at sites previously sampled in late-summer 2015 in Eugene-Springfield, Oregon, using high-throughput metabarcode sequencing. While all sites shared a core aerobiome in late-spring consisting of plant- and soil-associated genera, forests had significantly higher diversity than grass sites (F = 12, P = 0.004). Vegetation type explained 14% of the difference between forest and grass aerobiomes, yet individual site location explained 41% of the variation. These results were similar to but amplified over those from late summer, suggesting that both aerobiome diversity and vegetation-driven effects are higher when deciduous foliage is fresher and more active, temperatures cooler, and humidity higher. Continued exploration and hypothesis-driven research will enable development of mechanistic theory describing key drivers of urban aerobiome assembly and its relationship to human health, which, in turn, will help urban designers and planners create evidence-based salutogenic cities for future generations.
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Affiliation(s)
- Gwynne Á Mhuireach
- Department of Landscape Architecture, University of Oregon, 5250 University of Oregon, Eugene, OR, 97403, USA.
- Biology and the Built Environment (BioBE) Center, University of Oregon, Eugene, OR, USA.
- Institute for Health in the Built Environment, University of Oregon, Eugene, OR, USA.
| | - Hannah Wilson
- Biology and the Built Environment (BioBE) Center, University of Oregon, Eugene, OR, USA
- Division of Plant Sciences, University of Missouri, Columbia, MO, USA
| | - Bart R Johnson
- Department of Landscape Architecture, University of Oregon, 5250 University of Oregon, Eugene, OR, 97403, USA
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Mills S, Ross RP. Colliding and interacting microbiomes and microbial communities - consequences for human health. Environ Microbiol 2021; 23:7341-7354. [PMID: 34390616 DOI: 10.1111/1462-2920.15722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 08/09/2021] [Accepted: 08/12/2021] [Indexed: 11/26/2022]
Abstract
Living 'things' coexist with microorganisms, known as the microbiota/microbiome that provides essential physiological functions to its host. Despite this reliance, the microbiome is malleable and can be altered by several factors including birth-mode, age, antibiotics, nutrition, and disease. In this minireview, we consider how other microbiomes and microbial communities impact the host microbiome and the host through the concept of microbiome collisions (initial exposures) and interactions. Interactions include changes in host microbiome composition and functionality and/or host responses. Understanding the impact of other microbiomes and microbial communities on the microbiome and host are important considering the decline in human microbiota diversity in the developed world - paralleled by the surge of non-communicable, inflammatory-based diseases. Thus, surrounding ourselves with rich and diverse beneficial microbiomes and microbial communities to collide and interact with should help to diminish the loss in microbial diversity and protect from certain diseases. In the same vein, our microbiomes not only influence our health but potentially the health of those close to us. We also consider strategies for enhanced host microbiome collisions and interactions through the surrounding environment that ensure increased microbiome diversity and functionality contributing to enhanced symbiotic return to the host in terms of health benefit.
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Affiliation(s)
- Susan Mills
- APC Microbiome Ireland, University College Cork, Cork, Ireland
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Li H, Wu ZF, Yang XR, An XL, Ren Y, Su JQ. Urban greenness and plant species are key factors in shaping air microbiomes and reducing airborne pathogens. ENVIRONMENT INTERNATIONAL 2021; 153:106539. [PMID: 33813232 DOI: 10.1016/j.envint.2021.106539] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Revised: 03/22/2021] [Accepted: 03/22/2021] [Indexed: 05/23/2023]
Abstract
Urban green space has been implicated in shaping airborne microbes, but there is an only rudimentary understanding of the key factors of urban green space affecting the composition and structures of airborne microbes. Here, we selected 40 urban sites based on stratified random sampling design and investigated the effects of multiple factors including landscapes, plant, soil, and anthropogenic factors on airborne microbial communities, especially bacterial and fungal pathogens. Bacterial and fungal communities in the control area with lower greenness were significantly (P < 0.05) different from those in other areas with a gradient of green space. The relative abundance of bacterial and fungal pathogens significantly (P < 0.05) decreased with increasing greenness. Other than soil thickness, soil type, slope position, and population density, plant species considerably contributed to the shift in the composition and abundance of potential bacterial and fungal pathogens. A significantly (P < 0.05) reduced abundance of bacterial and fungal pathogens was observed in areas with >30% masson pine. Together, these results provide insights into the importance of green space for providing health benefits for city dwellers by reducing pathogens in air, as well as providing support for the inclusion of plant species in the management of urban green space to reduce exposure risk of airborne pathogens.
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Affiliation(s)
- Hu Li
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
| | - Zhi-Feng Wu
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; Fujian Key Laboratory of Watershed Ecology, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Xiao-Ru Yang
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
| | - Xin-Li An
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
| | - Yin Ren
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; Fujian Key Laboratory of Watershed Ecology, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China.
| | - Jian-Qiang Su
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China.
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Dzhambov AM, Lercher P, Rüdisser J, Browning MHEM, Markevych I. Allergic symptoms in association with naturalness, greenness, and greyness: A cross-sectional study in schoolchildren in the Alps. ENVIRONMENTAL RESEARCH 2021; 198:110456. [PMID: 33188758 DOI: 10.1016/j.envres.2020.110456] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 11/02/2020] [Accepted: 11/07/2020] [Indexed: 05/16/2023]
Abstract
BACKGROUND Greenness may protect from or contribute to allergy risk by influencing air pollution and human-microbe interactions. However, existing research on the issue is heterogeneous and produced conflicting results. Less in known about the effects of greyness. This study investigated the association between different characteristics of residential and school environment and allergic symptoms in schoolchildren. METHODS The present cross-sectional survey was undertaken in 2004/2005 among 1251 schoolchildren (8-12 years old) in several alpine valleys in Austria and Italy. Children's mothers completed a questionnaire that asked about allergic symptoms (International Study of Asthma and Allergies in Childhood questionnaire), sociodemographic information, lifestyle, perinatal data, and housing conditions. We constructed four aggregate outcome variables: current asthma symptoms, ever asthma symptoms, ever allergic rhinitis (AR) symptoms, and ever eczema symptoms. We employed well-known greenness and greyness exposure indicators (Normalized Difference Vegetation Index, tree canopy cover, agricultural cover, imperviousness cover, and industrial cover), as well as an alternative naturalness index (Distance to Nature, D2N). Adjusted logistic regressions were used to explore associations between each exposure-outcome pair. Air pollution (NO2), traffic noise and time spent outdoors were tested as potential mediators in causal mediation analysis. RESULTS Decrease in naturalness in a 500-m buffer around the home was associated with higher prevalence of AR symptoms. Associations with asthma symptoms were in the same direction but marginally significant. Residential NDVI and tree cover were marginally associated with lower prevalence of asthma and AR symptoms. Having a domestic garden was associated with lower prevalence of asthma symptoms. School greenness in a 100-m buffer was associated with lower prevalence of AR symptoms. Residential greyness was associated with higher prevalence of AR and asthma symptoms. We observed stronger associations for greenness and greyness in non-movers and in children without a family history of allergies. Mediation by NO2 and time spent outdoors was present in some of the exposure-outcome pairs. CONCLUSIONS Schoolchildren residing in places with lower naturalness and higher greyness may be more likely to have allergic rhinitis and possibly asthma. Considering more comprehensive indicators than greenness and greyness and conducting research in children without a family history of allergic diseases may be key to better understanding who can profit from natural landscapes.
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Affiliation(s)
- Angel M Dzhambov
- Department of Hygiene, Faculty of Public Health, Medical University of Plovdiv, Plovdiv, Bulgaria; Institute for Highway Engineering and Transport Planning, Graz University of Technology, Graz, Austria.
| | - Peter Lercher
- Institute for Highway Engineering and Transport Planning, Graz University of Technology, Graz, Austria
| | | | - Matthew H E M Browning
- Department of Parks , Recreation, and Tourism Management, Clemson University, Clemson, USA
| | - Iana Markevych
- Institute of Psychology, Jagiellonian University, Krakow, Poland
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40
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Yu Z, Wei F, Zhang X, Wu M, Lin H, Shui L, Jin M, Wang J, Tang M, Chen K. Air pollution, surrounding green, road proximity and Parkinson's disease: A prospective cohort study. ENVIRONMENTAL RESEARCH 2021; 197:111170. [PMID: 33887274 DOI: 10.1016/j.envres.2021.111170] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 04/04/2021] [Accepted: 04/08/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Though growing evidence has linked air pollution to Parkinson's disease (PD), the results remain inconsistent. Less is known about the relevance of road proximity and surrounding green. We aimed to investigate the individual and joint associations of air pollution, road proximity and surrounding green with the incidence of PD in a prospective cohort study. METHODS We used data from a prospective cohort of 47,516 participants recruited from July 2015 to January 2018 in Ningbo, China. Long-term exposure to particulate matter with aerodynamic diameter ≤2.5 μm (PM2.5) and ≤10 μm (PM10) and nitrogen dioxide (NO2) estimated by land-use regression models, road proximity and surrounding green assessed by Normalized Difference Vegetation Index (NDVI) were calculated based on the residential address for each participant. Cox proportional hazard models were used to analyze the individual and joint effects of air pollution, road proximity, and surrounding green on PD. RESULTS In single-exposure models, PM2.5, PM10, NO2 and road proximity was associated with increased risk of PD (e.g. Hazard Ratio (HR) = 1.51, 95%CI:1.02, 2.24 per interquartile range (IQR) increase for PM2.5) while surrounding green was associated with decreased risk of PD (e.g. HR = 0.80, 95%CI:0.65, 0.98 per IQR increase for NDVI in 300 m buffer). In two-exposure models, the associations of PM2.5 and surrounding green persisted while the associations of NO2 and road proximity attenuated towards unity. CONCLUSIONS We found that PM2.5 were associated with increased risk of incident PD while surrounding green was associated with decreased risk of PD. Future studies about PD etiology may benefit from including multiple environmental exposures to address potential joint associations.
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Affiliation(s)
- Zhebin Yu
- Department of Epidemiology and Biostatistics, Zhejiang University School of Public Health, Hangzhou, Zhejiang, China
| | - Fang Wei
- Department of Epidemiology and Biostatistics, Zhejiang University School of Public Health, Hangzhou, Zhejiang, China
| | - Xinhan Zhang
- Department of Epidemiology and Biostatistics, Zhejiang University School of Public Health, Hangzhou, Zhejiang, China
| | - Mengyin Wu
- Department of Epidemiology and Biostatistics, Zhejiang University School of Public Health, Hangzhou, Zhejiang, China
| | - Hongbo Lin
- The Center for Disease Control and Prevention of Yinzhou District, Ningbo, Zhejiang, China
| | - Liming Shui
- Health Commission of Ningbo, Zhejiang, China
| | - Mingjuan Jin
- Department of Epidemiology and Biostatistics, Zhejiang University School of Public Health, Hangzhou, Zhejiang, China; Department of Epidemiology and Biostatistics, And Cancer Institute of the Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang, China
| | - Jianbing Wang
- Department of Epidemiology and Biostatistics, Zhejiang University School of Public Health, Hangzhou, Zhejiang, China; Department of Epidemiology and Biostatistics, And National Clinical Research Center for Child Health of the Children's Hospital, Zhejiang University School of Medicine, Zhejiang, China
| | - Mengling Tang
- Department of Epidemiology and Biostatistics, Zhejiang University School of Public Health, Hangzhou, Zhejiang, China.
| | - Kun Chen
- Department of Epidemiology and Biostatistics, Zhejiang University School of Public Health, Hangzhou, Zhejiang, China; Department of Epidemiology and Biostatistics, And Cancer Institute of the Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang, China.
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Robinson JM, Cando-Dumancela C, Antwis RE, Cameron R, Liddicoat C, Poudel R, Weinstein P, Breed MF. Exposure to airborne bacteria depends upon vertical stratification and vegetation complexity. Sci Rep 2021; 11:9516. [PMID: 33947905 PMCID: PMC8096821 DOI: 10.1038/s41598-021-89065-y] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Accepted: 04/20/2021] [Indexed: 02/02/2023] Open
Abstract
Exposure to biodiverse aerobiomes supports human health, but it is unclear which ecological factors influence exposure. Few studies have investigated near-surface green space aerobiome dynamics, and no studies have reported aerobiome vertical stratification in different urban green spaces. We used columnar sampling and next generation sequencing of the bacterial 16S rRNA gene, combined with geospatial and network analyses to investigate urban green space aerobiome spatio-compositional dynamics. We show a strong effect of habitat on bacterial diversity and network complexity. We observed aerobiome vertical stratification and network complexity that was contingent on habitat type. Tree density, closer proximity, and canopy coverage associated with greater aerobiome alpha diversity. Grassland aerobiomes exhibited greater proportions of putative pathogens compared to scrub, and also stratified vertically. We provide novel insights into the urban ecosystem with potential importance for public health, whereby the possibility of differential aerobiome exposures appears to depend on habitat type and height in the airspace. This has important implications for managing urban landscapes for the regulation of aerobiome exposure.
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Affiliation(s)
- Jake M Robinson
- Department of Landscape Architecture, The University of Sheffield, Sheffield, S10 2TN, UK.
- inVIVO Planetary Health of the Worldwide Universities Network, NJ, 10704, USA.
- College of Science and Engineering, Flinders University, Bedford Park, SA, 5042, Australia.
- The Healthy Urban Microbiome Initiative (HUMI), Adelaide, Australia.
| | - Christian Cando-Dumancela
- College of Science and Engineering, Flinders University, Bedford Park, SA, 5042, Australia
- The Healthy Urban Microbiome Initiative (HUMI), Adelaide, Australia
| | - Rachael E Antwis
- School of Science, Engineering and Environment, University of Salford, Salford, M5 4WX, UK
| | - Ross Cameron
- Department of Landscape Architecture, The University of Sheffield, Sheffield, S10 2TN, UK
| | - Craig Liddicoat
- College of Science and Engineering, Flinders University, Bedford Park, SA, 5042, Australia
- The Healthy Urban Microbiome Initiative (HUMI), Adelaide, Australia
- School of Public Health and the Environment Institute, University of Adelaide, Adelaide, SA, 5005, Australia
| | - Ravin Poudel
- Department of Microbiology and Cell Science, University of Florida, Gainesville, FL, 32603, USA
| | - Philip Weinstein
- The Healthy Urban Microbiome Initiative (HUMI), Adelaide, Australia
- School of Public Health and the Environment Institute, University of Adelaide, Adelaide, SA, 5005, Australia
| | - Martin F Breed
- College of Science and Engineering, Flinders University, Bedford Park, SA, 5042, Australia
- The Healthy Urban Microbiome Initiative (HUMI), Adelaide, Australia
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Baruch Z, Liddicoat C, Cando-Dumancela C, Laws M, Morelli H, Weinstein P, Young JM, Breed MF. Increased plant species richness associates with greater soil bacterial diversity in urban green spaces. ENVIRONMENTAL RESEARCH 2021; 196:110425. [PMID: 33157108 DOI: 10.1016/j.envres.2020.110425] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 10/29/2020] [Accepted: 10/31/2020] [Indexed: 06/11/2023]
Abstract
The vegetation and soil microbiome within urban green spaces is increasingly managed to help conserve biodiversity and improve human health concurrently. However, the effects of green space management on urban soil ecosystems is poorly understood, despite their importance. Across 40 urban green spaces in metropolitan Adelaide, South Australia, we show that soil bacterial communities are strongly affected by urban green space type (incl. sport fields, community gardens, parklands and revegetated areas), and that plant species richness is positively associated with soil bacterial diversity. Importantly, these microbiome trends were not affected by geographic proximity of sample sites. Our results provide early evidence that urban green space management can have predictable effects on the soil microbiome, at least from a diversity perspective, which could prove important to inform policy development if urban green spaces are to be managed to optimise population health benefits.
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Affiliation(s)
- Zdravko Baruch
- School of Biological Sciences, University of Adelaide, Adelaide, SA, 5005, Australia
| | - Craig Liddicoat
- School of Public Health, University of Adelaide, Adelaide, SA, 5005, Australia; College of Science and Engineering, Flinders University, Adelaide, SA, 5042 Australia
| | | | - Mark Laws
- School of Biological Sciences, University of Adelaide, Adelaide, SA, 5005, Australia
| | - Hamish Morelli
- School of Biological Sciences, University of Adelaide, Adelaide, SA, 5005, Australia
| | - Philip Weinstein
- School of Biological Sciences, University of Adelaide, Adelaide, SA, 5005, Australia; School of Public Health, University of Adelaide, Adelaide, SA, 5005, Australia
| | - Jennifer M Young
- College of Science and Engineering, Flinders University, Adelaide, SA, 5042 Australia
| | - Martin F Breed
- College of Science and Engineering, Flinders University, Adelaide, SA, 5042 Australia.
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Núñez A, García AM, Moreno DA, Guantes R. Seasonal changes dominate long-term variability of the urban air microbiome across space and time. ENVIRONMENT INTERNATIONAL 2021; 150:106423. [PMID: 33578068 DOI: 10.1016/j.envint.2021.106423] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 01/25/2021] [Accepted: 01/25/2021] [Indexed: 05/24/2023]
Abstract
Compared to soil or aquatic ecosystems, the atmosphere is still an underexplored environment for microbial diversity. In this study, we surveyed the composition, variability and sources of microbes (bacteria and fungi) in the near surface atmosphere of a highly populated area, spanning ~ 4,000 Km2 around the city center of Madrid (Spain), in different seasonal periods along two years. We found a core of abundant bacterial genera robust across space and time, most of soil origin, while fungi were more sensitive to environmental conditions. Microbial communities showed clear seasonal patterns driven by variability of environmental factors, mainly temperature and accumulated rain, while local sources played a minor role. We also identified taxa in both groups characteristic of seasonal periods, but not of specific sampling sites or plant coverage. The present study suggests that the near surface atmosphere of urban environments contains an ecosystem stable across relatively large spatial and temporal scales, with a rather homogenous composition, modulated by climatic variations. As such, it contributes to our understanding of the long-term changes associated to the human exposome in the air of highly populated areas.
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Affiliation(s)
- Andrés Núñez
- Escuela Técnica Superior de Ingenieros Industriales, Universidad Politécnica de Madrid (ETSII-UPM), Madrid, Spain; Department of Genetics and Microbiology, Facultad de Biología, Universidad de Murcia, Murcia, Spain
| | - Ana M García
- Escuela Técnica Superior de Ingenieros Industriales, Universidad Politécnica de Madrid (ETSII-UPM), Madrid, Spain
| | - Diego A Moreno
- Escuela Técnica Superior de Ingenieros Industriales, Universidad Politécnica de Madrid (ETSII-UPM), Madrid, Spain; Facultad de Farmacia, Universidad de Castilla-La Mancha (FF-UCLM), Albacete, Spain.
| | - Raúl Guantes
- Department of Condensed Matter Physics and Material Science Institute 'Nicolás Cabrera', Science Faculty, Universidad Autónoma de Madrid, Madrid, Spain; Institute for Condensed Matter Physics (IFIMAC), Science Faculty, Universidad Autónoma de Madrid, Madrid, Spain.
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Pan Y, Ren Q, Chen P, Wu J, Wu Z, Zhang G. Insight Into Microbial Community Aerosols Associated With Electronic Waste Handling Facilities by Culture-Dependent and Culture-Independent Methods. Front Public Health 2021; 9:657784. [PMID: 33889561 PMCID: PMC8055949 DOI: 10.3389/fpubh.2021.657784] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Accepted: 03/10/2021] [Indexed: 11/13/2022] Open
Abstract
Airborne microorganisms in the waste associated environments are more active and complex compared to other places. However, the diversity and structure of airborne bacteria in waste-associated environments are still not clearly understood. The purpose of this study was to assess airborne bacterial community in electronic waste dismantling site and a waste transfer station based on culture-dependent and culture-independent methods. A total of 229 isolates were obtained from four airborne sites collected from residential area, electronic industrial park, and office area in or near an electronic waste dismantling site and a waste transfer station in Southern China in the morning, afternoon, and evening. Most of the isolates were isolated from air for the first time and 14 potentially novel species were identified by Sanger sequencing. Bacterial communities in waste-associated bioaerosols were predominated by Proteobacteria and Bacteroidetes. Abundant genera (>1%) included Paracaedibacteraceae (uncultured EF667926), Ralstonia, Chroococcidiopsis, Chitinophagaceae (uncultured FN428761), Sphingobium, and Heliimonas. One-third of the species in these genera were uncultured approximately. Differences community structure existed in airborne bacterial diversity among different sampling sites. These results showed that waste-associated environments have unique bacterial diversity. Further studies on such environments could provide new insights into bacterial community.
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Affiliation(s)
- Yimin Pan
- Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Qiaoqiao Ren
- Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Pei Chen
- Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Jiguo Wu
- Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Zhendong Wu
- Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Guoxia Zhang
- Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China.,Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure and Health, Guangzhou, China
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Vilcins D, Scarth P, Sly PD, Jagals P, Knibbs LD, Baker P. The association of fractional cover, foliage projective cover and biodiversity with birthweight. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 763:143051. [PMID: 33127150 DOI: 10.1016/j.scitotenv.2020.143051] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 09/18/2020] [Accepted: 10/08/2020] [Indexed: 06/11/2023]
Abstract
INTRODUCTION Environmental exposures can contribute both benefits and risks to human health. Maternal exposure to green space has been associated with improvements in birthweight, among other birth outcomes. Newer measures of green space have been developed, which allows for an exploration of the effect of different ground covers (green, dry and bare earth), as well as measures of biodiversity. This study explores the association of these novel green space measures with birthweight in a large birth cohort in Queensland, Australia. METHODS Birthweight was acquired from the routine health records. Records were allocated green space values for fractional cover, biodiversity and foliage projective cover. Directed acyclic graphs were developed to guide variable selection. Mixed-effects linear regression and generalised linear mixed-effects models were developed, with random intercepts for maternal residential locality and year of birth. Results are presented as standardised beta coefficients or odds ratios, with 95% confidence intervals. RESULTS An IQR increase of green cover (29.6 g, 95% CI 13.8-45.5) and foliage projective cover (26.0 g, 95% CI 10.8-41.3) are associated with birthweight in urban areas. An IQR increase in dry cover -34.4 g, 95% CI -60.4 to -8.4) and bare earth (-17.7 g, 95% CI -32.8 to -2.6) are associated with lower birthweight. Mothers living in rural areas had similar results, with an IQR increase in green cover (17.8 g, 95% CI 2.9-32.7) associated with higher birthweight, and bare earth (-27.7 g, 95% CI -45.7 to -9.7) was associated with lower birthweight. The biodiversity measure used in this study was not associated with any birthweight outcomes. CONCLUSION This study finds that the types of ground cover within the maternal residential locality are associated with small, but significant, changes in estimated birthweight, and these effects are not limited to urban areas.
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Affiliation(s)
- Dwan Vilcins
- Children's Health and Environment Program, The University of Queensland, L7 Centre for Children's Health Research, 62 Graham St, South Brisbane 4101, QLD, Australia.
| | - Peter Scarth
- School of Earth and Environmental Sciences, L2, Room 210, Steele Building, The University of Queensland, St Lucia, QLD, Australia, 4072.
| | - Peter D Sly
- Children's Health and Environment Program, The University of Queensland, L7 Centre for Children's Health Research, 62 Graham St, South Brisbane 4101, QLD, Australia.
| | - Paul Jagals
- Children's Health and Environment Program, The University of Queensland, L7 Centre for Children's Health Research, 62 Graham St, South Brisbane 4101, QLD, Australia.
| | - Luke D Knibbs
- School of Public Health, Public Health Building, 288 Herston Rd, The University of Queensland, Brisbane 4006, Australia.
| | - Peter Baker
- School of Public Health, Public Health Building, 288 Herston Rd, The University of Queensland, Brisbane 4006, Australia.
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Cando‐Dumancela C, Liddicoat C, McLeod D, Young JM, Breed MF. A guide to minimize contamination issues in microbiome restoration studies. Restor Ecol 2021. [DOI: 10.1111/rec.13358] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
| | - Craig Liddicoat
- College of Science and Engineering Flinders University Bedford Park SA 5042 Australia
- School of Public Health, University of Adelaide Adelaide SA 5001 Australia
| | - Daphne McLeod
- College of Science and Engineering Flinders University Bedford Park SA 5042 Australia
| | - Jennifer M. Young
- College of Science and Engineering Flinders University Bedford Park SA 5042 Australia
| | - Martin F. Breed
- College of Science and Engineering Flinders University Bedford Park SA 5042 Australia
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Land Use Effects on Airborne Bacterial Communities Are Evident in Both Near-Surface and Higher-Altitude Air. DIVERSITY 2021. [DOI: 10.3390/d13020085] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Land use influences the composition of near-surface airborne bacterial communities, and bacteria can be transported through the atmosphere at global scales. The atmosphere mixes vertically, but rigorously assessing whether the effects of land use on atmospheric communities extends to higher altitudes requires examining communities from multiple altitudes collected at a stable location and timeframe. In this study, we collected near-surface (<2 m) and higher-altitude (150 m) air samples from three sites in an agricultural/developed location and a forested/undeveloped location. We used bacterial 16S rRNA amplicon sequencing to compare communities and predict functionality by altitude. Higher-altitude and near-surface communities did not differ in composition within each location. Communities collected above the undeveloped location were equally variable at both altitudes; higher-altitude samples from the developed location predominantly contained Firmicutes and were less variable than near-surface samples. We also compared airborne taxa to those present in soil and snow. Communities from higher-altitude samples above the developed location contained fewer overlapping taxa with soil and snow sources, and overlapping Operational Taxonomic Units (OTUs) among the three sources differed by location. Our results suggest that land use affects the composition of both near-surface and higher-altitude airborne bacterial communities and, therefore, may influence broad bacterial dispersal patterns. This small-scale pilot study provides a framework for simultaneously examining local and regional airborne microbial communities that can be applied to larger studies or studies using different types of samplers.
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Samaké A, Martins JMF, Bonin A, Uzu G, Taberlet P, Conil S, Favez O, Thomasson A, Chazeau B, Marchand N, Jaffrezo JL. Variability of the Atmospheric PM 10 Microbiome in Three Climatic Regions of France. Front Microbiol 2021; 11:576750. [PMID: 33519725 PMCID: PMC7838387 DOI: 10.3389/fmicb.2020.576750] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 12/10/2020] [Indexed: 02/03/2023] Open
Abstract
Primary Biogenic Organic Aerosols (PBOA) were recently shown to be produced by only a few types of microorganisms, emitted by the surrounding vegetation in the case of a regionally homogeneous field site. This study presents the first comprehensive description of the structure and main sources of airborne microbial communities associated with temporal trends in Sugar Compounds (SC) concentrations of PM10 in 3 sites under a climatic gradient in France. By combining sugar chemistry and DNA Metabarcoding approaches, we intended to identify PM10-associated microbial communities and their main sources at three sampling-sites in France, under different climates, during the summer of 2018. This study accounted also for the interannual variability in summer airborne microbial community structure (bacteria and fungi only) associated with PM10-SC concentrations during a 2 consecutive years’ survey at one site. Our results showed that temporal changes in PM10-SC in the three sites are associated with the abundance of only a few specific taxa of airborne fungi and bacterial. These taxa differ significantly between the 3 climatic regions studied. The microbial communities structure associated with SC concentrations of PM10 during a consecutive 2-year study remained stable in the rural area. Atmospheric concentration levels of PM10-SC species varied significantly between the 3 study sites, but with no clear difference according to site typology (rural vs. urban), suggesting that SC emissions are related to regional rather than local climatic characteristics. The overall microbial beta diversity in PM10 samples is significantly different from that of the main vegetation around the urban sites studied. This indicates that the airborne microorganisms at these urban sites are not solely from the immediate surrounding vegetation, which contrasts with observations at the scale of a regionally homogeneous rural site in 2017. These results improve our understanding of the spatial behavior of tracers of PBOA emission sources, which need to be better characterized to further implement this important mass fraction of Organic Matter (OM) in Chemical Transport models (CTM).
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Affiliation(s)
- Abdoulaye Samaké
- University Grenoble Alpes, CNRS, IRD, INP-G, IGE (UMR 5001), Grenoble, France
| | - Jean M F Martins
- University Grenoble Alpes, CNRS, IRD, INP-G, IGE (UMR 5001), Grenoble, France
| | - Aurélie Bonin
- University Grenoble Alpes, CNRS, LECA (UMR 5553), BP 53, Grenoble, France
| | - Gaëlle Uzu
- University Grenoble Alpes, CNRS, IRD, INP-G, IGE (UMR 5001), Grenoble, France
| | - Pierre Taberlet
- University Grenoble Alpes, CNRS, LECA (UMR 5553), BP 53, Grenoble, France
| | - Sébastien Conil
- ANDRA DRD/OPE Observatoire Pérenne de l'Environnement, Bure, France
| | - Olivier Favez
- INERIS, Parc Technologique Alata, BP 2, Verneuil-en-Halatte, France
| | | | | | | | - Jean-Luc Jaffrezo
- University Grenoble Alpes, CNRS, IRD, INP-G, IGE (UMR 5001), Grenoble, France
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Pelley JL. From the Ground up: Assessing Bacterial Diversity in the Air Space of an Urban Park. ENVIRONMENTAL HEALTH PERSPECTIVES 2021; 129:14001. [PMID: 33428448 PMCID: PMC7800159 DOI: 10.1289/ehp8736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 12/10/2020] [Indexed: 06/12/2023]
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50
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Xie W, Li Y, Bai W, Hou J, Ma T, Zeng X, Zhang L, An T. The source and transport of bioaerosols in the air: A review. FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING 2021; 15:44. [PMID: 33589868 PMCID: PMC7876263 DOI: 10.1007/s11783-020-1336-8] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 11/13/2020] [Accepted: 11/13/2020] [Indexed: 05/13/2023]
Abstract
Recent pandemic outbreak of the corona-virus disease 2019 (COVID-19) has raised widespread concerns about the importance of the bioaerosols. They are atmospheric aerosol particles of biological origins, mainly including bacteria, fungi, viruses, pollen, and cell debris. Bioaerosols can exert a substantial impact on ecosystems, climate change, air quality, and public health. Here, we review several relevant topics on bioaerosols, including sampling and detection techniques, characterization, effects on health and air quality, and control methods. However, very few studies have focused on the source apportionment and transport of bioaerosols. The knowledge of the sources and transport pathways of bioaerosols is essential for a comprehensive understanding of the role microorganisms play in the atmosphere and control the spread of epidemic diseases associated with them. Therefore, this review comprehensively summarizes the up to date progress on the source characteristics, source identification, and diffusion and transport process of bioaerosols. We intercompare three types of diffusion and transport models, with a special emphasis on a widely used mathematical model. This review also highlights the main factors affecting the source emission and transport process, such as biogeographic regions, land-use types, and environmental factors. Finally, this review outlines future perspectives on bioaerosols.
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Affiliation(s)
- Wenwen Xie
- School of Water and Environment, Chang’an University, Xi’an, 710054 China
| | - Yanpeng Li
- School of Water and Environment, Chang’an University, Xi’an, 710054 China
- Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region (Ministry of Education), Chang’an University, Xi’an, 710054 China
| | - Wenyan Bai
- School of Water and Environment, Chang’an University, Xi’an, 710054 China
| | - Junli Hou
- School of Water and Environment, Chang’an University, Xi’an, 710054 China
| | - Tianfeng Ma
- School of Water and Environment, Chang’an University, Xi’an, 710054 China
| | - Xuelin Zeng
- School of Water and Environment, Chang’an University, Xi’an, 710054 China
| | - Liyuan Zhang
- School of Water and Environment, Chang’an University, Xi’an, 710054 China
- Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region (Ministry of Education), Chang’an University, Xi’an, 710054 China
| | - Taicheng An
- Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, School of Environment Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou, 510006 China
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