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Worth JRP, Kikuchi S, Kanetani S, Takahashi D, Aizawa M, Marchuk EA, Choi HJ, Polezhaeva MA, Sheiko VV, Ueno S. Chloroplast genome-based genetic resources via genome skimming for the subalpine forests of Japan and adjacent regions. Ecol Evol 2024; 14:e11584. [PMID: 39026955 PMCID: PMC11255381 DOI: 10.1002/ece3.11584] [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: 02/27/2024] [Revised: 05/28/2024] [Accepted: 05/31/2024] [Indexed: 07/20/2024] Open
Abstract
The Japanese subalpine zone is dominated by an ecologically important forest biome, subalpine coniferous forest, constituting a distinct assemblage of cold-tolerant angiosperm and conifer species. While being relatively intact compared to other forest biomes in Japan, subalpine coniferous forests are under significant threat from deer browsing, global warming and small population size effects. However, there is a severe lack of genetic resources available for this biome's major constituent plant species. This study aimed to develop chloroplast genome-based genetic resources for 12 widespread subalpine tree and shrub species (7 angiosperms and 5 conifers) via genome skimming of whole-genomic DNA using short reads (100-150 bp in length). For 10 species, whole chloroplast genomes were assembled via de novo-based methods from 4 to 10 individuals per species sampled from across their ranges in Japan and, for non-Japanese endemic species, elsewhere in northeast Asia. A total of 566 single nucleotide polymorphisms for Japanese samples and 768 for all samples (varying from 2 to 202 per species) were identified which were distributed in geographically restricted lineages in most species. In addition, between 9 and 58 polymorphic simple sequence repeat regions were identified per species. For two Ericaceae species (Rhododendron brachycarpum and Vaccinium vitis-idaea) characterised by large chloroplast genomes, de novo assembly failed, but single nucleotide polymorphisms could be identified using reference mapping. These data will be useful for genetic studies of species taxonomic relationships, investigating phylogeographic patterns within species, developing chloroplast-based markers for conservation genetic studies and has potential application for studies of environmental and ancient DNA.
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Affiliation(s)
- James R. P. Worth
- Department of Forest Molecular Genetics and BiotechnologyForestry and Forest Products Research Institute, Forest Research and Management OrganizationTsukubaIbarakiJapan
| | - Satoshi Kikuchi
- Hokkaido Research CentreForestry and Forest Products Research Institute, Forest Research and Management OrganizationSapporoHokkaidoJapan
| | - Seiichi Kanetani
- Kyushu Research CenterForestry and Forest Products Research InstituteKumamotoJapan
| | - Daiki Takahashi
- Kawatabi Field Science Centre, Graduate School of Agricultural ScienceTohoku UniversitySendaiMiyagiJapan
| | - Mineaki Aizawa
- Department of Forest Science, School of AgricultureUtsunomiya UniversityUtsunomiyaTochigiJapan
| | - Elena A. Marchuk
- Botanical Garden‐Institute of the Far Eastern Branch of the Russian Academy of SciencesVladivostokRussia
| | - Hyeok Jae Choi
- Department of Biology & ChemistryCollege of Natural Sciences, Changwon National UniversityChangwonKorea
| | - Maria A. Polezhaeva
- Institute of Plant and Animal EcologyRussian Academy of SciencesYekaterinburgRussia
| | - Viktor V. Sheiko
- Sakhalin Branch of the Botanical Garden‐Institute FEB RASYuzhno‐SakhalinskRussia
| | - Saneyoshi Ueno
- Department of Forest Molecular Genetics and BiotechnologyForestry and Forest Products Research Institute, Forest Research and Management OrganizationTsukubaIbarakiJapan
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Prudnikow L, Pannicke B, Wünschiers R. A primer on pollen assignment by nanopore-based DNA sequencing. Front Ecol Evol 2023. [DOI: 10.3389/fevo.2023.1112929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/15/2023] Open
Abstract
The possibility to identify plants based on the taxonomic information coming from their pollen grains offers many applications within various biological disciplines. In the past and depending on the application or research in question, pollen origin was analyzed by microscopy, usually preceded by chemical treatment methods. This procedure for identification of pollen grains is both time-consuming and requires expert knowledge of morphological features. Additionally, these microscopically recognizable features usually have a low resolution at species-level. Since a few decades, DNA has been used for the identification of pollen taxa, as sequencing technologies evolved both in their handling and affordability. We discuss advantages and challenges of pollen DNA analyses compared to traditional methods. With readers with little experience in this field in mind, we present a hands-on primer for genetic pollen analysis by nanopore sequencing. As our lab mainly works with pollen collected within agroecological research projects, we focus on pollen collected by pollinating insects. We briefly consider sample collection, storage and processing in the laboratory as well as bioinformatic aspects. Currently, pollen metabarcoding is mostly conducted with next-generation sequencing methods that generate short sequence reads (<1 kb). Increasingly, however, pollen DNA analysis is carried out using the long-read generating (several kb), low-budget and mobile MinION nanopore sequencing platform by Oxford Nanopore Technologies. Therefore, we are focusing on aspects for palynology with the MinION DNA sequencing device.
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Foster NR, Martin B, Hoogewerff J, Aberle MG, de Caritat P, Roffey P, Edwards R, Malik A, Thwaites P, Waycott M, Young J. The utility of dust for forensic intelligence: Exploring collection methods and detection limits for environmental DNA, elemental and mineralogical analyses of dust samples. Forensic Sci Int 2023; 344:111599. [PMID: 36801501 DOI: 10.1016/j.forsciint.2023.111599] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 01/27/2023] [Accepted: 02/05/2023] [Indexed: 02/10/2023]
Abstract
Environmental DNA (eDNA), elemental and mineralogical analyses of soil have been shown to be specific to their source material, prompting consideration of using the airborne fraction of soil (dust) for forensic intelligence work. Dust is ubiquitous in the environment and is easily transferred to items belonging to a person of interest, making dust analysis an ideal tool in forensic casework. The advent of Massive Parallel Sequencing technologies means metabarcoding of eDNA can uncover bacterial, fungal, and even plant genetic fingerprints in dust particles. Combining this with elemental and mineralogical compositions offers multiple, complementary lines of evidence for tracing the origin of an unknown dust sample. This is particularly pertinent when recovering dust from a person of interest to ascertain where they may have travelled. Prior to proposing dust as a forensic trace material, however, the optimum sampling protocols and detection limits need to be established to place parameters around its utility in this context. We tested several approaches to collecting dust from different materials and determined the lowest quantity of dust that could be analysed for eDNA, elemental composition and mineralogy, whilst still yielding results capable of distinguishing between sites. We found that fungal eDNA profiles could be obtained from multiple sample types and that tape lifts were the optimum collection method for discriminating between sites. We successfully recovered both fungal and bacterial eDNA profiles down to 3 mg of dust (the lowest tested quantity) and recovered elemental and mineralogical compositions for all tested sample quantities. We show that dust can be reliably recovered from different sample types, using different sampling techniques, and that fungi and bacteria, as well as elemental and mineralogical profiles, can be generated from small sample quantities, highlighting the utility of dust for forensic intelligence.
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Affiliation(s)
- Nicole R Foster
- College of Science and Engineering, Flinders University, GPO Box 2100, Adelaide, South Australia 5001, Australia.
| | - Belinda Martin
- College of Science and Engineering, Flinders University, GPO Box 2100, Adelaide, South Australia 5001, Australia
| | - Jurian Hoogewerff
- National Centre for Forensic Studies, University of Canberra, Bruce, Australian Capital Territory 2617, Australia
| | - Michael G Aberle
- National Centre for Forensic Studies, University of Canberra, Bruce, Australian Capital Territory 2617, Australia
| | - Patrice de Caritat
- Geoscience Australia, GPO Box 378, Canberra, Australian Capital Territory 2601, Australia
| | - Paul Roffey
- Australian Federal Police, GPO Box 401, Canberra, Australian Capital Territory 2601, Australia
| | - Robert Edwards
- College of Science and Engineering, Flinders University, GPO Box 2100, Adelaide, South Australia 5001, Australia
| | - Arif Malik
- School of Biological Sciences, University of Adelaide, Adelaide, South Australia 5005, Australia
| | - Priscilla Thwaites
- Defence Science Technology Group, PO Box 793, Canberra BC, Australian Capital Territory 2610, Australia
| | - Michelle Waycott
- School of Biological Sciences, University of Adelaide, Adelaide, South Australia 5005, Australia
| | - Jennifer Young
- College of Science and Engineering, Flinders University, GPO Box 2100, Adelaide, South Australia 5001, Australia
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Johnson MD, Freeland JR, Parducci L, Evans DM, Meyer RS, Molano-Flores B, Davis MA. Environmental DNA as an emerging tool in botanical research. AMERICAN JOURNAL OF BOTANY 2023; 110:e16120. [PMID: 36632660 DOI: 10.1002/ajb2.16120] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 12/03/2022] [Accepted: 12/05/2022] [Indexed: 06/17/2023]
Abstract
Over the past quarter century, environmental DNA (eDNA) has been ascendant as a tool to detect, measure, and monitor biodiversity (species and communities), as a means of elucidating biological interaction networks, and as a window into understanding past patterns of biodiversity. However, only recently has the potential of eDNA been realized in the botanical world. Here we synthesize the state of eDNA applications in botanical systems with emphases on aquatic, ancient, contemporary sediment, and airborne systems, and focusing on both single-species approaches and multispecies community metabarcoding. Further, we describe how abiotic and biotic factors, taxonomic resolution, primer choice, spatiotemporal scales, and relative abundance influence the utilization and interpretation of airborne eDNA results. Lastly, we explore several areas and opportunities for further development of eDNA tools for plants, advancing our knowledge and understanding of the efficacy, utility, and cost-effectiveness, and ultimately facilitating increased adoption of eDNA analyses in botanical systems.
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Affiliation(s)
- Mark D Johnson
- Engineering Research and Development Center, Construction Engineering Research Laboratory (CERL), Champaign, IL, USA
- Illinois Natural History Survey, Prairie Research Institute, University of Illinois Urbana-Champaign, Champaign, IL, USA
| | - Joanna R Freeland
- Department of Biology, Trent University, 1600 West Bank Drive, Peterborough, ON, K9L 0G2, Canada
| | - Laura Parducci
- Department of Environmental Biology, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy
- Department of Ecology and Genetics, Evolutionary Biology Centre, Uppsala University, Norbyvagen 18D, SE-75236, Uppsala, Sweden
| | - Darren M Evans
- School of Natural and Environmental Sciences, Newcastle University, Newcastle Upon Tyne, UK
| | - Rachel S Meyer
- Department of Ecology and Evolutionary Biology, University of California Santa Cruz, Santa Cruz, CA, USA
| | - Brenda Molano-Flores
- Illinois Natural History Survey, Prairie Research Institute, University of Illinois Urbana-Champaign, Champaign, IL, USA
| | - Mark A Davis
- Illinois Natural History Survey, Prairie Research Institute, University of Illinois Urbana-Champaign, Champaign, IL, USA
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Banerjee P, Stewart KA, Dey G, Antognazza CM, Sharma RK, Maity JP, Saha S, Doi H, de Vere N, Chan MWY, Lin PY, Chao HC, Chen CY. Environmental DNA analysis as an emerging non-destructive method for plant biodiversity monitoring: a review. AOB PLANTS 2022; 14:plac031. [PMID: 35990516 PMCID: PMC9389569 DOI: 10.1093/aobpla/plac031] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 06/30/2022] [Indexed: 06/15/2023]
Abstract
Environmental DNA (eDNA) analysis has recently transformed and modernized biodiversity monitoring. The accurate detection, and to some extent quantification, of organisms (individuals/populations/communities) in environmental samples is galvanizing eDNA as a successful cost and time-efficient biomonitoring technique. Currently, eDNA's application to plants remains more limited in implementation and scope compared to animals and microorganisms. This review evaluates the development of eDNA-based methods for (vascular) plants, comparing its performance and power of detection with that of traditional methods, to critically evaluate and advise best-practices needed to innovate plant biomonitoring. Recent advancements, standardization and field applications of eDNA-based methods have provided enough scope to utilize it in conservation biology for numerous organisms. Despite our review demonstrating only 13% of all eDNA studies focus on plant taxa to date, eDNA has considerable environmental DNA has considerable potential for plants, where successful detection of invasive, endangered and rare species, and community-level interpretations have provided proof-of-concept. Monitoring methods using eDNA were found to be equal or more effective than traditional methods; however, species detection increased when both methods were coupled. Additionally, eDNA methods were found to be effective in studying species interactions, community dynamics and even effects of anthropogenic pressure. Currently, elimination of potential obstacles (e.g. lack of relevant DNA reference libraries for plants) and the development of user-friendly protocols would greatly contribute to comprehensive eDNA-based plant monitoring programs. This is particularly needed in the data-depauperate tropics and for some plant groups (e.g., Bryophytes and Pteridophytes). We further advocate to coupling traditional methods with eDNA approaches, as the former is often cheaper and methodologically more straightforward, while the latter offers non-destructive approaches with increased discrimination ability. Furthermore, to make a global platform for eDNA, governmental and academic-industrial collaborations are essential to make eDNA surveys a broadly adopted and implemented, rapid, cost-effective and non-invasive plant monitoring approach.
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Affiliation(s)
- Pritam Banerjee
- Department of Biomedical Sciences, Graduate Institute of Molecular Biology, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan
- Department of Earth and Environmental Sciences, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan
| | - Kathryn A Stewart
- Institute of Environmental Science, Leiden University, 2333 CC Leiden, The Netherlands
| | - Gobinda Dey
- Department of Biomedical Sciences, Graduate Institute of Molecular Biology, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan
- Department of Earth and Environmental Sciences, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan
| | - Caterina M Antognazza
- Department of Theoretical and Applied Science, University of Insubria, Via J.H. Dunant, 3, 21100 Varese, Italy
| | - Raju Kumar Sharma
- Department of Earth and Environmental Sciences, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan
- Department of Chemistry and Biochemistry, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan
| | - Jyoti Prakash Maity
- Department of Chemistry, School of Applied Sciences, KIIT Deemed to be University, Bhubaneswar, Odisha 751024, India
| | - Santanu Saha
- Post Graduate Department of Botany, Bidhannagar College, Salt Lake City, Kolkata 700064, India
| | - Hideyuki Doi
- Graduate School of Information Science, University of Hyogo, 7-1-28 Minatojima-minamimachi, Chuo-ku, Kobe 650-0047, Japan
| | - Natasha de Vere
- Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5-7, 1350 Copenhagen K
| | - Michael W Y Chan
- Department of Biomedical Sciences, Graduate Institute of Molecular Biology, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan
| | - Pin-Yun Lin
- Department of Earth and Environmental Sciences, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan
- Department of Chemistry and Biochemistry, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan
| | - Hung-Chun Chao
- Department of Earth and Environmental Sciences, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan
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Trujillo-González A, Thuo DN, Divi U, Sparks K, Wallenius T, Gleeson D. Detection of Khapra Beetle Environmental DNA Using Portable Technologies in Australian Biosecurity. FRONTIERS IN INSECT SCIENCE 2022; 2:795379. [PMID: 38468794 PMCID: PMC10926498 DOI: 10.3389/finsc.2022.795379] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 01/12/2022] [Indexed: 03/13/2024]
Abstract
Khapra beetle, Trogoderma granarium Everts, 1898, is a serious pest of stored grain products globally. Environmental DNA (eDNA)-based methods offer sensitive detection tools used to inform biosecurity officers on the presence of high-risk pests. This study tested laboratory and portable molecular technologies to detect khapra beetle environmental DNA extracted from dust samples collected during biosecurity responses (Tuggeranong and Fyshwick) to khapra beetle incursions in Australia. Airborne and floor dust samples were collected opportunistically using handheld vacuum cleaners and eDNA was extracted using either field or laboratory-based extraction methods and analyzed using laboratory benchtop real time PCR machines and portable machines with two TaqMan and one LAMP-based assay. We successfully collected, extracted, and amplified khapra beetle eDNA from dust samples by qPCR, but failed to amplify T. granarium eDNA using LAMP. The Laboratory qPCR machine showed significantly higher mean Ct values (p < 0.001) and significantly higher positive detections for both assays (p < 0.001) compared to the portable thermocycler. DNA yield was significantly higher in samples extracted using laboratory-based kits compared to field kits (p < 0.001) for both vacuumed and airborne samples (Mean DNA ± S.D. = 5.52 ± 4.45 and 4.77 ± 1.68 ng/μL, respectively), compared to field kits, (1.75 ± 1.17 and 1.36± 1.29 ng/μL for vacuumed and airborne samples, respectively). There were no significant differences in DNA yield between collection methods or differences in amplification associated to extraction or collection methods in either platform tested in this study. Portable technologies tested in this study (Franklin™ Real Time Thermocycler and Genie III) accurately amplified all tissue derived DNA during assay optimisation and field testing, highlighting the capacity of these technologies to complement biosecurity in confirming specimen ID. There was a high incidence of positive detections in field negative controls (Tuggeranong = 12.3 % and Fyshwick = 50 %), mostly attributed to the use of contaminated vacuum cleaners. We discuss suitable methods to minimize sample cross-contamination, the potential of portable molecular technologies as tools for biosecurity applications, and the suitability of eDNA-based molecular detection methods to complement global trade biosecurity for one of the most invasive and important grain pests worldwide.
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Affiliation(s)
- Alejandro Trujillo-González
- EcoDNA Group, Centre for Conservation Ecology and Genomics, University of Canberra, Canberra, ACT, Australia
| | - David N. Thuo
- EcoDNA Group, Centre for Conservation Ecology and Genomics, University of Canberra, Canberra, ACT, Australia
| | - Uday Divi
- Biosecurity Strategy and Reform Division, Department of Agriculture, Water, and the Environment, Canberra, ACT, Australia
| | - Kate Sparks
- Science and Surveillance Group, Biosecurity Plant Division, Department of Agriculture, Water and the Environment, Canberra, ACT, Australia
| | - Thomas Wallenius
- Science and Surveillance Group, Biosecurity Plant Division, Department of Agriculture, Water and the Environment, Canberra, ACT, Australia
| | - Dianne Gleeson
- EcoDNA Group, Centre for Conservation Ecology and Genomics, University of Canberra, Canberra, ACT, Australia
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Johnson MD, Fokar M, Cox RD, Barnes MA. Airborne environmental DNA metabarcoding detects more diversity, with less sampling effort, than a traditional plant community survey. BMC Ecol Evol 2021; 21:218. [PMID: 34872490 PMCID: PMC8647488 DOI: 10.1186/s12862-021-01947-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 11/24/2021] [Indexed: 01/04/2023] Open
Abstract
Background Airborne environmental DNA (eDNA) research is an emerging field that focuses on the detection of species from their genetic remnants in the air. The majority of studies into airborne eDNA of plants has until now either focused on single species detection, specifically only pollen, or human health impacts, with no previous studies surveying an entire plant community through metabarcoding. We therefore conducted an airborne eDNA metabarcoding survey and compared the results to a traditional plant community survey. Results Over the course of a year, we conducted two traditional transect-based visual plant surveys alongside an airborne eDNA sampling campaign on a short-grass rangeland. We found that airborne eDNA detected more species than the traditional surveying method, although the types of species detected varied based on the method used. Airborne eDNA detected more grasses and forbs with less showy flowers, while the traditional method detected fewer grasses but also detected rarer forbs with large showy flowers. Additionally, we found the airborne eDNA metabarcoding survey required less sampling effort in terms of the time needed to conduct a survey and was able to detect more invasive species than the traditional method. Conclusions Overall, we have demonstrated that airborne eDNA can act as a sensitive and efficient plant community surveying method. Airborne eDNA surveillance has the potential to revolutionize the way plant communities are monitored in general, track changes in plant communities due to climate change and disturbances, and assist with the monitoring of invasive and endangered species. Supplementary Information The online version contains supplementary material available at 10.1186/s12862-021-01947-x.
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Affiliation(s)
- Mark D Johnson
- Department of Natural Resources Management, Texas Tech University, Lubbock, TX, 79409, USA.
| | - Mohamed Fokar
- Center for Biotechnology & Genomics, Texas Tech University, Lubbock, TX, 79409, USA
| | - Robert D Cox
- Department of Natural Resources Management, Texas Tech University, Lubbock, TX, 79409, USA
| | - Matthew A Barnes
- Department of Natural Resources Management, Texas Tech University, Lubbock, TX, 79409, USA
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