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Ara R, Deeba F, Nandi ER, Dey S, Islam F, Hoque MS, Fatima P. Association of Serum Vitamin D level with Asthenozoospermic Male. Mymensingh Med J 2024; 33:446-452. [PMID: 38557524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Although vitamin D deficiency is one of the most common health problems throughout the world, conflicting information exists on the potential association between serum vitamin D levels and semen quality. Currently available data identifies that vitamin D has a vital role in reproductive process as it affects sperm motility. This study was done with the rationality to evaluate the association between serum vitamin D levels with asthenozoospermic males. This cross-sectional analytic study was conducted on 314 men who attended the Department of Reproductive Endocrinology and Infertility, Bangabandhu Sheikh Mujib Medical University (BSMMU), Bangladesh July 2018 to June 2019. Considering the inclusion and exclusion criteria all participants were categorized into two groups; Group I included 157 asthenozoospermic male and Group II included 157 normozoospermic male according to World Health Organization 'strict' criteria 2010. Participants completed the questionnaires after they had agreed on a informed consent. Blood and semen samples were obtained for assessment and all data were adjusted for age, body mass index (BMI), total motility and progressive motility. Vitamin D levels were classified according to the Endocrine Society guideline. Statistical analyses were carried out by using the Statistical Package for Social Sciences version 22.0 for Windows (SPSS Inc., Chicago, Illinois, USA). The results showed that the mean vitamin D level was 16.63±5.54ng/ml in asthenozoospermic group and 19.83±5.33ng/ml in normozoospermic group. The mean vitamin D level was significantly (p<0.05) lower in asthenozoospermic group. It was noticed that 86.6% patients had vitamin D deficiency (≤20ng/ml) in asthenozoospermic group compared to 56.7% in the normozoospermic group. The study found that low vitamin D was associated with a fivefold increased risk of developing asthenozoospermia at 95% CI (2.74-8.99). Moreover, there was a positive significant correlation (r=0.285; p<0.001) between serum vitamin D level with total motility and progressive motility (r=0.232; p<0.001). Hence, the study suggests a significant association between asthenozoospermia and low vitamin D levels. However, clinical trials are warranted to further reinforce the findings.
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Affiliation(s)
- R Ara
- Dr Rowshan Ara, Assistant Professor (Obs and Gynae), Netrokona Medical College, Netrokona, Bangladesh; E-mail:
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Ahmed S, Khan MSS, Xue S, Islam F, Ikram AU, Abdullah M, Liu S, Tappiban P, Chen J. A comprehensive overview of omics-based approaches to enhance biotic and abiotic stress tolerance in sweet potato. Hortic Res 2024; 11:uhae014. [PMID: 38464477 PMCID: PMC10923648 DOI: 10.1093/hr/uhae014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Accepted: 01/09/2024] [Indexed: 03/12/2024]
Abstract
Biotic and abiotic stresses negatively affect the yield and overall plant developmental process, thus causing substantial losses in global sweet potato production. To cope with stresses, sweet potato has evolved numerous strategies to tackle ever-changing surroundings and biological and environmental conditions. The invention of modern sequencing technology and the latest data processing and analysis instruments has paved the way to integrate biological information from different approaches and helps to understand plant system biology more precisely. The advancement in omics technologies has accumulated and provided a great source of information at all levels (genome, transcript, protein, and metabolite) under stressful conditions. These latest molecular tools facilitate us to understand better the plant's responses to stress signaling and help to process/integrate the biological information encoded within the biological system of plants. This review briefly addresses utilizing the latest omics strategies for deciphering the adaptive mechanisms for sweet potatoes' biotic and abiotic stress tolerance via functional genomics, transcriptomics, proteomics, and metabolomics. This information also provides a powerful reference to understand the complex, well-coordinated stress signaling genetic regulatory networks and better comprehend the plant phenotypic responses at the cellular/molecular level under various environmental stimuli, thus accelerating the design of stress-resilient sweet potato via the latest genetic engineering approaches.
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Affiliation(s)
- Sulaiman Ahmed
- International Genome Center, Jiangsu University, Zhenjiang 212013, China
| | | | - Songlei Xue
- Jiangsu Coastal Area Institute of Agricultural Sciences, Yancheng 224000, China
| | - Faisal Islam
- International Genome Center, Jiangsu University, Zhenjiang 212013, China
| | - Aziz Ul Ikram
- International Genome Center, Jiangsu University, Zhenjiang 212013, China
| | - Muhammad Abdullah
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Minghang, 200240, Shanghai, China
| | - Shan Liu
- International Genome Center, Jiangsu University, Zhenjiang 212013, China
| | - Piengtawan Tappiban
- Institute of Molecular Biosciences, Mahidol University, Nakhon Pathom, 73170, Thailand
| | - Jian Chen
- International Genome Center, Jiangsu University, Zhenjiang 212013, China
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Costa-Dookhan KA, Maslej MM, Donner K, Islam F, Sockalingam S, Thakur A. Twelve tips for Natural Language Processing in medical education program evaluation. Med Teach 2024:1-5. [PMID: 38373212 DOI: 10.1080/0142159x.2024.2316223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Accepted: 02/05/2024] [Indexed: 02/21/2024]
Abstract
With the increasing application of Natural Language Processing (NLP) in Medicine at large, medical educators are urged to gain an understanding and implement NLP techniques within their own education programs to improve the workflow and make significant and rapid improvements in their programs. This paper aims to provide twelve essential tips inclusive of both conceptual and technical factors to facilitate the successful integration of NLP in medical education program evaluation. These twelve tips range from advising on various stages of planning the evaluation process, considerations for data collection, and reflections on preprocessing of data in preparation for analysis and interpretation of results. Using these twelve tips as a framework, medical researchers, educators, and administrators will have an understanding and reference to navigating applications of NLP and be able to unlock its potential for enhancing the evaluation of their own medical education programs.
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Affiliation(s)
- Kenya A Costa-Dookhan
- Center for Addiction and Mental Health, Toronto, ON, Canada
- Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Marta M Maslej
- Center for Addiction and Mental Health, Toronto, ON, Canada
| | - Kayle Donner
- Center for Addiction and Mental Health, Toronto, ON, Canada
| | - Faisal Islam
- Center for Addiction and Mental Health, Toronto, ON, Canada
| | - Sanjeev Sockalingam
- Center for Addiction and Mental Health, Toronto, ON, Canada
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada
| | - Anupam Thakur
- Center for Addiction and Mental Health, Toronto, ON, Canada
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada
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Thadathil Varghese J, Islam F, Farrar P, Prentice L, Prusty BG. Multi-response optimisation analysis of material properties in dental restorative composites under the influence of thermal and thermomechanical stimuli - A 3D finite element study. J Mech Behav Biomed Mater 2024; 150:106363. [PMID: 38169207 DOI: 10.1016/j.jmbbm.2023.106363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 12/24/2023] [Accepted: 12/27/2023] [Indexed: 01/05/2024]
Abstract
OBJECTIVES Restored teeth undergo more damage than intact teeth. Therefore, the scientific investigation of their mechanical and physical behaviour under varying oral conditions is vital. The current study is to numerically investigate the stresses on a class-II mesio-occluso-distal (MOD) restored molar due to thermal and thermomechanical stimuli with varying input properties such as coefficient of thermal expansion and elastic properties. This is performed to optimise the dental restoration material, thereby reducing the stresses and failure of the restoration. METHODS An upper molar was scanned using μ-CT for segmenting and modelling the enamel and dentine. A class-II MOD cavity was then prepared on the model, after which non-manifold meshing was generated. The coefficient of thermal expansion (CTE) and elastic modulus (E) properties of the restoration were varied from 20 × 10-6 °C-1 to 55 × 10-6 °C-1 and 5 GPa-20 GPa, respectively. After the material properties and boundary conditions were set for the finite element (FE) analysis, the thermal and thermomechanical loading analyses were performed to demonstrate the influence of input parameters on the stress. The maximum values of principal stresses on the restoration-enamel junction and the restoration were evaluated. The results were statistically processed using analysis of variance, response surface methodology (RSM) and optimisation analysis to estimate the most optimum inputs for minimising principal stresses. RESULTS The study reveals that the location of principal stress occurs at the restoration-enamel junction (REJ) and the restoration changes based on the composite material value of E and CTE due to thermal and thermomechanical stimuli. The REJ showed higher principal stress than restoration during the application of both thermal and thermomechanical stimuli, making it more vulnerable to fracture and failure. Moreover, the study showed non-linear variations in the values and locations of principal stresses due to thermal and thermomechanical stimuli with the change in the property of the restoration composite used. Finally, this study derived an optimised restorative value for CTE and E due to the application of thermal and simultaneous thermal and mechanical stimuli. CONCLUSION This study highlights the importance of choosing the suitable material properties of the restoration composite by dental clinicians to repair a large class MOD cavity. The findings from this study also suggest that the difference in the values of E and CTE in a dental restoration composite when compared with the enamel causes a lack of uniformity in mechanical and thermal properties, thereby forming stress concentrations at the interfaces. The study establishes two optimised CTE and E values for the MOD restoration composite as 25 × 10-6 °C-1 and 20 GPa and 37 × 10-6 °C-1 and 5 GPa, respectively.
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Affiliation(s)
| | | | | | | | - B Gangadhara Prusty
- School of Mechanical and Manufacturing Engineering, UNSW, NSW, 2052, Australia; ARC Centre for Automated Manufacture of Advanced Composites, UNSW, Sydney, NSW, 2052, Australia; Australian Composite Manufacturing CRC, UNSW, Sydney, NSW, 2052, Australia
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Rahman R, Siddique T, Nipa FA, Sultana S, Devi P, Islam F, Nainu F, Obaidullah AJ, Emran TB, Khatun MR. Bark extract of Chaetocarpus castanocarpus (Roxb.) exhibits potent sedative, anxiolytic, and antidepressant effects through an in vivo approach in Swiss albino mice. Eur Rev Med Pharmacol Sci 2024; 28:1202-1212. [PMID: 38375725 DOI: 10.26355/eurrev_202402_35359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/21/2024]
Abstract
OBJECTIVE Standard phytochemical investigations were performed to identify the secondary metabolites in the methanol extract of Chaetocarpus castanocarpus bark (MECC) and investigate the neuropharmacological potential of MECC in Swiss albino mice. MATERIALS AND METHODS Swiss albino mice were used in the forced swimming test (FST) and tail suspension test (TST) to evaluate the antidepressant effect of MECC. Also, the hole board test (HBT) and elevated plus maze (EPM) were conducted to examine anxiolytic activities. In contrast, the open field test (OFT) and hole cross test (HCT) were employed to evaluate sleeping disorders. RESULTS Alkaloids, glycosides, flavonoids, terpenoids, coumarins, and tannins are only a few secondary metabolites identified in MECC by qualitative and quantitative phytochemical investigations. The oral administration of MECC considerably shortened the immobility duration during FST and TST. Encouraging dose-dependent anxiolytic effects were also observed in all relevant experiments compared to the control. Additionally, during the OFT and HCT assessment, a noteworthy decline in the locomotor activities of the experimental animals was observed. CONCLUSIONS The results of this investigation suggest that the Chaetocarpus castanocarpus bark is a possible source of therapeutic candidates for treating neurological disorders.
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Affiliation(s)
- R Rahman
- Department of Pharmacy, International Islamic University Chittagong, Chittagong, Bangladesh.
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Liu S, Islam F, Chen J, Sun Z, Chen J. Attention, neighbors: Methyl salicylate mediates plant airborne defense. Plant Commun 2024; 5:100746. [PMID: 37950442 PMCID: PMC10811368 DOI: 10.1016/j.xplc.2023.100746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 11/04/2023] [Accepted: 11/08/2023] [Indexed: 11/12/2023]
Affiliation(s)
- Shan Liu
- International Genome Center, Jiangsu University, Zhenjiang 212013, China
| | - Faisal Islam
- International Genome Center, Jiangsu University, Zhenjiang 212013, China
| | - Jianping Chen
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Biotechnology in Plant Protection of Ministry of Agriculture and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo, China
| | - Zongtao Sun
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Biotechnology in Plant Protection of Ministry of Agriculture and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo, China.
| | - Jian Chen
- International Genome Center, Jiangsu University, Zhenjiang 212013, China.
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Islam F, Liu S, Chen H, Chen J. Reprogramming of hormone-mediated antiviral responses in plants by viruses: A molecular tug of war on the salicylic acid-mediated immunity. Mol Plant 2023; 16:1493-1495. [PMID: 37731244 DOI: 10.1016/j.molp.2023.09.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 09/06/2023] [Accepted: 09/15/2023] [Indexed: 09/22/2023]
Affiliation(s)
- Faisal Islam
- International Genome Center, Jiangsu University, Zhenjiang 212013, China
| | - Shan Liu
- International Genome Center, Jiangsu University, Zhenjiang 212013, China
| | - Huan Chen
- Joint Center for Single Cell Biology, School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China.
| | - Jian Chen
- International Genome Center, Jiangsu University, Zhenjiang 212013, China.
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Wilkie T, Tajirian T, Thakur A, Mistry S, Islam F, Stergiopoulos V. Evolution of a physician wellness, engagement and excellence strategy: lessons learnt in a mental health setting. BMJ Lead 2023; 7:182-188. [PMID: 37200187 DOI: 10.1136/leader-2022-000595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 11/11/2022] [Indexed: 11/27/2022]
Abstract
OBJECTIVE This study aims to evaluate the impact of several organisational initiatives implemented as part of a physician engagement, wellness and excellence strategy at a large mental health hospital. Interventions that were examined include: communities of practice, peer support programme, mentorship programme and leadership and management programme for physicians. METHODS A cross-sectional study, guided by the Reach, Effectiveness/Efficacy, Adoption, Implementation and Maintenance evaluation framework, was conducted with physicians at a large academic mental health hospital in Toronto, Canada. Physicians were invited to complete an online survey in April 2021, which composed of questions on the awareness, use and perceived impact of the organisational wellness initiatives and the two-item Maslach Burnout Inventory tool. The survey was analysed using descriptive statistics and a thematic analysis. RESULTS 103 survey responses (40.9% response rate) were gathered from physicians, with 39.8% of respondents reporting experiences of burn-out. Overall, there was variable reach and suboptimal use of the organisational interventions reported by physicians. Themes emerging from open-ended questions included the importance of addressing: workload and resource related factors; leadership and culture related factors; and factors related to the electronic medical record and virtual care. CONCLUSIONS Organisational strategies to address physician burn-out and support physician wellness require repeated evaluation of the impact and relevance of initiatives with physicians, taking into account organisational culture, external variables, emerging barriers to access and participation, and physician needs and interest over time. These findings will be embedded as part of ongoing review of our organisational framework to guide changes to our physician engagement, wellness and excellence strategy.
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Affiliation(s)
- Treena Wilkie
- Centre for Addiction and Mental Health, Toronto, Ontario, Canada
- University of Toronto, Toronto, Ontario, Canada
| | - Tania Tajirian
- Centre for Addiction and Mental Health, Toronto, Ontario, Canada
- University of Toronto, Toronto, Ontario, Canada
| | - Anupam Thakur
- Centre for Addiction and Mental Health, Toronto, Ontario, Canada
- University of Toronto, Toronto, Ontario, Canada
| | - Smit Mistry
- Centre for Addiction and Mental Health, Toronto, Ontario, Canada
| | - Faisal Islam
- Centre for Addiction and Mental Health, Toronto, Ontario, Canada
| | - Vicky Stergiopoulos
- Centre for Addiction and Mental Health, Toronto, Ontario, Canada
- University of Toronto, Toronto, Ontario, Canada
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Khan MSS, Ahmed S, Ikram AU, Hannan F, Yasin MU, Wang J, Zhao B, Islam F, Chen J. Phytomelatonin: A key regulator of redox and phytohormones signaling against biotic/abiotic stresses. Redox Biol 2023; 64:102805. [PMID: 37406579 PMCID: PMC10363481 DOI: 10.1016/j.redox.2023.102805] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 06/21/2023] [Accepted: 06/29/2023] [Indexed: 07/07/2023] Open
Abstract
Plants being sessile in nature, are exposed to unwarranted threats as a result of constantly changing environmental conditions. These adverse factors can have negative impacts on their growth, development, and yield. Hormones are key signaling molecules enabling cells to respond rapidly to different external and internal stimuli. In plants, melatonin (MT) plays a critical role in the integration of various environmental signals and activation of stress-response networks to develop defense mechanisms and plant resilience. Additionally, melatonin can tackle the stress-induced alteration of cellular redox equilibrium by regulating the expression of redox hemostasis-related genes and proteins. The purpose of this article is to compile and summarize the scientific research pertaining to MT's effects on plants' resilience to biotic and abiotic stresses. Here, we have summarized that MT exerts a synergistic effect with other phytohormones, for instance, ethylene, jasmonic acid, and salicylic acid, and activates plant defense-related genes against phytopathogens. Furthermore, MT interacts with secondary messengers like Ca2+, nitric oxide, and reactive oxygen species to regulate the redox network. This interaction triggers different transcription factors to alleviate stress-related responses in plants. Hence, the critical synergic role of MT with diverse plant hormones and secondary messengers demonstrates phytomelatonin's importance in influencing multiple mechanisms to contribute to plant resilience against harsh environmental factors.
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Affiliation(s)
| | - Sulaiman Ahmed
- International Genome Center, Jiangsu University, Zhenjiang, 212013, China
| | - Aziz Ul Ikram
- International Genome Center, Jiangsu University, Zhenjiang, 212013, China
| | - Fakhir Hannan
- Department of Agronomy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Muhammad Umair Yasin
- Department of Agronomy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Jin Wang
- School of Life Sciences, Jiangsu University, Zhenjiang, 212013, Jiangsu, China
| | - Biying Zhao
- International Genome Center, Jiangsu University, Zhenjiang, 212013, China.
| | - Faisal Islam
- International Genome Center, Jiangsu University, Zhenjiang, 212013, China.
| | - Jian Chen
- International Genome Center, Jiangsu University, Zhenjiang, 212013, China.
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Kunzmann P, Müller TD, Greil M, Krumbach JH, Anter JM, Bauer D, Islam F, Hamacher K. Biotite: new tools for a versatile Python bioinformatics library. BMC Bioinformatics 2023; 24:236. [PMID: 37277726 PMCID: PMC10243083 DOI: 10.1186/s12859-023-05345-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Accepted: 05/18/2023] [Indexed: 06/07/2023] Open
Abstract
BACKGROUND Biotite is a program library for sequence and structural bioinformatics written for the Python programming language. It implements widely used computational methods into a consistent and accessible package. This allows for easy combination of various data analysis, modeling and simulation methods. RESULTS This article presents major functionalities introduced into Biotite since its original publication. The fields of application are shown using concrete examples. We show that the computational performance of Biotite for bioinformatics tasks is comparable to individual, special purpose software systems specifically developed for the respective single task. CONCLUSIONS The results show that Biotite can be used as program library to either answer specific bioinformatics questions and simultaneously allow the user to write entire, self-contained software applications with sufficient performance for general application.
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Affiliation(s)
- Patrick Kunzmann
- Computational Biology and Simulation, Technical University of Darmstadt, Schnittspahnstraße 2, 64287, Darmstadt, Germany.
| | - Tom David Müller
- Department of Computer Science, Eberhard Karls University of Tübingen, Sand 14, 72076, Tübingen, Germany
| | | | - Jan Hendrik Krumbach
- Computational Biology and Simulation, Technical University of Darmstadt, Schnittspahnstraße 2, 64287, Darmstadt, Germany
| | - Jacob Marcel Anter
- Computational Biology and Simulation, Technical University of Darmstadt, Schnittspahnstraße 2, 64287, Darmstadt, Germany
| | - Daniel Bauer
- Computational Biology and Simulation, Technical University of Darmstadt, Schnittspahnstraße 2, 64287, Darmstadt, Germany
| | - Faisal Islam
- Computational Biology and Simulation, Technical University of Darmstadt, Schnittspahnstraße 2, 64287, Darmstadt, Germany
| | - Kay Hamacher
- Computational Biology and Simulation, Technical University of Darmstadt, Schnittspahnstraße 2, 64287, Darmstadt, Germany
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Islam F, Khan MSS, Ahmed S, Abdullah M, Hannan F, Chen J. Corrigendum to "OsLPXC negatively regulates tolerance to cold stress via modulating oxidative stress, antioxidant defense and JA accumulation in rice" [Free Radic. Biol. Med. 199 (2023) 2-16]. Free Radic Biol Med 2023; 204:82. [PMID: 37146523 DOI: 10.1016/j.freeradbiomed.2023.04.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Affiliation(s)
- Faisal Islam
- International Genome Center, Jiangsu University, Zhenjiang, 212013, China
| | | | - Sulaiman Ahmed
- International Genome Center, Jiangsu University, Zhenjiang, 212013, China
| | - Muhammad Abdullah
- Department of Agronomy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Fakhir Hannan
- Department of Agronomy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Jian Chen
- International Genome Center, Jiangsu University, Zhenjiang, 212013, China.
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Islam F, Khan MSS, Ahmed S, Abdullah M, Hannan F, Chen J. OsLPXC negatively regulates tolerance to cold stress via modulating oxidative stress, antioxidant defense and JA accumulation in rice. Free Radic Biol Med 2023; 199:2-16. [PMID: 36775108 DOI: 10.1016/j.freeradbiomed.2023.02.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/28/2023] [Accepted: 02/08/2023] [Indexed: 02/12/2023]
Abstract
Exposure of crops to low temperature (LT) during emerging and reproductive stages influences their growth and development. In this study, we have isolated a cold induced, nucleus-localized lipid A gene from rice named OsLPXC, which encodes a protein of 321 amino acids. Knockout of OsLPXC resulted in enhance sensitivity to LT stress in rice, with increased accumulation of reactive oxygen species (ROS), malondialdehyde and electrolyte leakage, while expression and activities of antioxidant enzymes were significantly suppressed. The accumulation of chlorophyll content and net photosynthetic rate of knockout plants were also decreased compared with WT under LT stress. The functional analysis of differentially expressed genes (DEGs), showed that numerous genes associated with antioxidant defense, photosynthesis, cold signaling were solely expressed and downregulated in oslpxc plants compared with WT under LT. The accumulation of methyl jasmonate (MeJA) in leave and several DEGs related to the jasmonate biosynthesis pathway were significantly downregulated in OsLPXC knockout plants, which showed differential levels of MeJA regulation in WT and knockout plants in response to cold stress. These results indicated that OsLPXC positively regulates cold tolerance in rice via stabilizing the expression and activities of ROS scavenging enzymes, photosynthetic apparatus, cold signaling genes, and jasmonate biosynthesis.
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Affiliation(s)
- Faisal Islam
- International Genome Center, Jiangsu University, Zhenjiang, 212013, China
| | | | - Sulaiman Ahmed
- International Genome Center, Jiangsu University, Zhenjiang, 212013, China
| | - Muhammad Abdullah
- International Genome Center, Jiangsu University, Zhenjiang, 212013, China
| | - Fakhir Hannan
- Department of Agronomy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Jian Chen
- International Genome Center, Jiangsu University, Zhenjiang, 212013, China.
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Islam F, Karim MB, Rukunuzzaman M, Rashid R, Sarker MN, Saha D, Subha NE, Saha BK, Saha A. Evaluation of Fecal Pancreatic Elastase-1 as a Measure of Pancreatic Exocrine Function in Children with Pancreatitis. Mymensingh Med J 2023; 32:430-436. [PMID: 37002754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2023]
Abstract
Pancreatic exocrine insufficiency occurs as a clinical consequence of chronic pancreatitis leading to fat maldigestion, malabsorption and malnutrition. Fecal elastase-1 is a laboratory-based test used for the diagnosis or exclusion of pancreatic exocrine insufficiency. The aim of the study was to observe the value of fecal elastase-1 in children with pancreatitis as an indicator of pancreatic exocrine insufficiency. This was a cross-sectional descriptive study conducted from January 2017 through June 2018. Thirty children with pain abdomen as control and 36 patients with pancreatitis as cases were included. An ELISA technique which recognizes human pancreatic elastase-1 from spot stool sample was employed for the test. Fecal elastase-1 activity in spot stool samples in acute pancreatitis (AP) ranged from 198.2-500μg/g with a mean of 342.1±136.4μg/g, acute recurrent pancreatitis (ARP) ranged from 15-500μg/g with a mean of 332.8±194.5μg/g and chronic pancreatitis (CP) ranged from 15-492.8μg/g with a mean of 222.2±197.1μg/g was obtained. In controls, fecal elastase-1 ranged from 28.4-500μg/g with a mean of 398.8±114.9μg/g. Disease severity was classified as mild to moderate pancreatic insufficiency (fecal elastase-1 100 to 200μg/g stool) was found in AP (14.3%) and CP (6.7%) cases. The severe pancreatic insufficiency (fecal elastase-1<100μg/g stool) was observed in ARP (28.6%) and CP (46.7%) cases. Malnutrition was observed in severe pancreatic insufficiency cases. This study result showed that fecal elastase-1 can be used as a measure of pancreatic exocrine function in children with pancreatitis.
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Affiliation(s)
- F Islam
- Dr Fahmida Islam, Assistant Professor (Pediatrics), OSD, DGHS, MD(Phase-B) Resident, Deputation on Department of Pediatric Gastroenterology & Nutrition, BSMMU, Dhaka, Bangladesh; E-mail:
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Abdullah M, Ahmad F, Zang Y, Jin S, Ahmed S, Li J, Islam F, Ahmad M, Zhang Y, Hu Y, Guan X, Zhang T. HEAT-RESPONSIVE PROTEIN regulates heat stress via fine-tuning ethylene/auxin signaling pathways in cotton. Plant Physiol 2023; 191:772-788. [PMID: 36342207 PMCID: PMC9806630 DOI: 10.1093/plphys/kiac511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 09/25/2022] [Indexed: 06/16/2023]
Abstract
Plants sense and respond to fluctuating temperature and light conditions during the circadian cycle; however, the molecular mechanism underlying plant adaptability during daytime warm conditions remains poorly understood. In this study, we reveal that the ectopic regulation of a HEAT RESPONSIVE PROTEIN (GhHRP) controls the adaptation and survival of cotton (Gossypium hirsutum) plants in response to warm conditions via modulating phytohormone signaling. Increased ambient temperature promptly enhanced the binding of the phytochrome interacting factor 4 (GhPIF4)/ethylene-insensitive 3 (GhEIN3) complex to the GhHRP promoter to increase its mRNA level. The ectopic expression of GhHRP promoted the temperature-dependent accumulation of GhPIF4 transcripts and hypocotyl elongation by triggering thermoresponsive growth-related genes. Notably, the upregulation of the GhHRP/GhPIF4 complex improved plant growth via modulating the abundance of Arabidopsis thaliana auxin biosynthetic gene YUCCA8 (AtYUC8)/1-aminocyclopropane-1-carboxylate synthase 8 (AtACS8) for fine-tuning the auxin/ethylene interplay, ultimately resulting in decreased ethylene biosynthesis. GhHRP thus protects chloroplasts from photo-oxidative bursts via repressing AtACS8 and AtACS7 and upregulating AtYUC8 and the heat shock transcription factors (HSFA2), heat shock proteins (HSP70 and HSP20). Strikingly, the Δhrp disruption mutant exhibited compromised production of HSP/YUC8 that resulted in an opposite phenotype with the loss of the ability to respond to warm conditions. Our results show that GhHRP is a heat-responsive signaling component that assists plants in confronting the dark phase and modulates auxin signaling to rescue growth under temperature fluctuations.
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Affiliation(s)
- Muhammad Abdullah
- Institute of Crop Science, Plant Precision Breeding Academy, Zhejiang Provincial Key Laboratory of Crop Genetic Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
| | - Furqan Ahmad
- Institute of Crop Science, Plant Precision Breeding Academy, Zhejiang Provincial Key Laboratory of Crop Genetic Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
- Institute of Plant Breeding and Biotechnology, MNS University of Agriculture, Multan, Pakistan
| | - Yihao Zang
- Institute of Crop Science, Plant Precision Breeding Academy, Zhejiang Provincial Key Laboratory of Crop Genetic Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
| | - Shangkun Jin
- Institute of Crop Science, Plant Precision Breeding Academy, Zhejiang Provincial Key Laboratory of Crop Genetic Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
| | - Sulaiman Ahmed
- National Center for Gene Research, State Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, China
| | - Jun Li
- Institute of Crop Science, Plant Precision Breeding Academy, Zhejiang Provincial Key Laboratory of Crop Genetic Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
| | - Faisal Islam
- Institute of Crop Science, Plant Precision Breeding Academy, Zhejiang Provincial Key Laboratory of Crop Genetic Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
| | - Mudassar Ahmad
- Institute of Crop Science, Plant Precision Breeding Academy, Zhejiang Provincial Key Laboratory of Crop Genetic Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
| | - Yaoyao Zhang
- Institute of Crop Science, Plant Precision Breeding Academy, Zhejiang Provincial Key Laboratory of Crop Genetic Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
| | - Yan Hu
- Institute of Crop Science, Plant Precision Breeding Academy, Zhejiang Provincial Key Laboratory of Crop Genetic Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
| | - Xueying Guan
- Institute of Crop Science, Plant Precision Breeding Academy, Zhejiang Provincial Key Laboratory of Crop Genetic Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
| | - Tianzhen Zhang
- Institute of Crop Science, Plant Precision Breeding Academy, Zhejiang Provincial Key Laboratory of Crop Genetic Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
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Nandi ER, Fatima P, Deeba F, Ara R, Dey S, Islam F. Association between Serum Vitamin D and Metabolic Syndrome in Women with Polycystic Ovary Syndrome. Mymensingh Med J 2023; 32:125-134. [PMID: 36594312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Vitamin D deficiency (VDD) is common in women with and without polycystic ovary syndrome (PCOS) and may be associated with metabolic and endocrine disorders in PCOS. Aim of the study was to evaluate the association between serum vitamin D level and metabolic syndrome (MS) in PCOS. This cross-sectional study was conducted in PCOS clinic of infertility outpatient department of the department of Reproductive Endocrinology and Infertility at Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh from July 2018 to June 2019. A total of 170 diagnosed patients with PCOS of aging 20 to 40 years were included in this study. Out of which 85 patients with PCOS MS and rest 85 patients without PCOS MS were considered as Group I and Group II respectively. Serum vitamin D was measured using a chemiluminescent microparticle immunoassay (CMIA). Almost two third (72.9%) populations had vitamin D moderate deficiency (10-20ng/ml) in Group I and 46(54.1%) in Group II. The mean vitamin D was 13.97±4.53ng/ml in Group I 16.02±6.62ng/ml in Group II. There were significant negative correlation found between vitamin D level with weight (r = -0.169; p=0.028), waist circumference (r = -0.208; p=0.007), Waist/Hip ratio (r = -0.205; p=0.007) and diastolic blood pressure (r = -0.187; p=0.014). In binary logistic regression analysis diastolic blood pressure (OR=1.04, 95% CI 0.89-1.29), fasting Glucose (OR=1.09, 95% CI 0.89 - 1.42), HDL (OR=1.11, 95% CI 1.05 - 1.17) and Vitamin D (OR=1.37, 95% CI 1.01 - 1.82) were significant risk factors of metabolic syndrome of the study patients. Vitamin D level was lower in PCOS subjects having MS and higher frequency of body weight, vitamin D deficiency was observed in them compared to the non-MS group. Waist: hip ratio, waist circumference and diastolic blood pressure were the negatively correlated with of vitamin D in the study subjects.
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Affiliation(s)
- E R Nandi
- Dr Eva Rani Nandi, Junior Consultant(cc), OSD, DGHS, Deputed in Department of Reproductive Endocrinology and Infertility, BSMMU, Dhaka, Bangladesh;
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Ankner JF, Ashkar R, Browning JF, Charlton TR, Doucet M, Halbert CE, Islam F, Karim A, Kharlampieva E, Kilbey SM, Lin JYY, Phan MD, Smith GS, Sukhishvili SA, Thermer R, Veith GM, Watkins EB, Wilson D. Cinematic reflectometry using QIKR, the quite intense kinetics reflectometer. Rev Sci Instrum 2023; 94:013302. [PMID: 36725568 DOI: 10.1063/5.0122279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 11/14/2022] [Indexed: 06/18/2023]
Abstract
The Quite Intense Kinetics Reflectometer (QIKR) will be a general-purpose, horizontal-sample-surface neutron reflectometer. Reflectometers measure the proportion of an incident probe beam reflected from a surface as a function of wavevector (momentum) transfer to infer the distribution and composition of matter near an interface. The unique scattering properties of neutrons make this technique especially useful in the study of soft matter, biomaterials, and materials used in energy storage. Exploiting the increased brilliance of the Spallation Neutron Source Second Target Station, QIKR will collect specular and off-specular reflectivity data faster than the best existing such machines. It will often be possible to collect complete specular reflectivity curves using a single instrument setting, enabling "cinematic" operation, wherein the user turns on the instrument and "films" the sample. Samples in time-dependent environments (e.g., temperature, electrochemical, or undergoing chemical alteration) will be observed in real time, in favorable cases with frame rates as fast as 1 Hz. Cinematic data acquisition promises to make time-dependent measurements routine, with time resolution specified during post-experiment data analysis. This capability will be deployed to observe such processes as in situ polymer diffusion, battery electrode charge-discharge cycles, hysteresis loops, and membrane protein insertion into lipid layers.
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Affiliation(s)
- J F Ankner
- Second Target Station Project, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - R Ashkar
- Department of Physics, Virginia Tech, Blacksburg, Virginia 24061, USA
| | - J F Browning
- Neutron Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - T R Charlton
- Neutron Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - M Doucet
- Neutron Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - C E Halbert
- Neutron Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - F Islam
- Neutron Technologies Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - A Karim
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, Texas 77204, USA
| | - E Kharlampieva
- Department of Chemistry, University of Alabama at Birmingham, Birmingham, Alabama 35294, USA
| | - S M Kilbey
- Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996, USA
| | - J Y Y Lin
- Second Target Station Project, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - M D Phan
- Neutron Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - G S Smith
- Neutron Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - S A Sukhishvili
- Department of Materials Science and Engineering, Texas A&M University, College Station, Texas 77843, USA
| | - R Thermer
- Second Target Station Project, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - G M Veith
- Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - E B Watkins
- Neutron Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - D Wilson
- Second Target Station Project, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
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Kalia K, Ling S, Moghabghab R, Branton S, Islam F, Saiva A, Kim J, Sliekers S, Harren D, Robins A. Increasing capacity to address the physical health needs of patients in a mental health and addictions hospital. Perspect Psychiatr Care 2022; 58:2337-2344. [PMID: 35294058 DOI: 10.1111/ppc.13065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Revised: 02/19/2022] [Accepted: 02/24/2022] [Indexed: 11/26/2022] Open
Abstract
PURPOSE This paper describes the strategy and outcomes of a quality improvement initiative focused on building the capacity of nurses at a mental health and addictions teaching hospital to provide an improved standard of physical health care. Education was provided via a series of e-learning modules and interactive workshops. To reinforce the education and enhance practice change, improvements were made to electronic documentation templates and organizational standards. Further, the organization provided increased access to physical health equipment, a mobile application to support assessments and a reference card for lanyards. CONCLUSIONS Nurses identified increased confidence in performing physical assessments, and documentation improved with standards and automated forced functionality in the electronic health record. Ultimately, the organization successfully implemented a multifaceted strategy to improve physical healthcare services for people with mental health and substance use concerns. PRACTICE IMPLICATIONS Organizational investment can lead to sustainable changes in nursing confidence and increased physical health assessment completion.
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Affiliation(s)
- Kamini Kalia
- Centre for Addiction and Mental Health, Toronto, Ontario, Canada.,Lawrence S. Bloomberg Faculty of Nursing, University of Toronto, Toronto, Ontario, Canada.,Arthur Labatt School of Nursing, Western University, London, Ontario, Canada
| | - Sara Ling
- Centre for Addiction and Mental Health, Toronto, Ontario, Canada.,Lawrence S. Bloomberg Faculty of Nursing, University of Toronto, Toronto, Ontario, Canada
| | - Rola Moghabghab
- Centre for Addiction and Mental Health, Toronto, Ontario, Canada.,Lawrence S. Bloomberg Faculty of Nursing, University of Toronto, Toronto, Ontario, Canada
| | - Sarah Branton
- North York General Hospital, Toronto, Ontario, Canada
| | - Faisal Islam
- Centre for Addiction and Mental Health, Toronto, Ontario, Canada
| | - Anika Saiva
- Centre for Addiction and Mental Health, Toronto, Ontario, Canada
| | - Jayoung Kim
- Centre for Addiction and Mental Health, Toronto, Ontario, Canada
| | | | - Dan Harren
- Centre for Addiction and Mental Health, Toronto, Ontario, Canada
| | - Amanda Robins
- Centre for Addiction and Mental Health, Toronto, Ontario, Canada
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Zhong X, Hong W, Shu Y, Li J, Liu L, Chen X, Islam F, Zhou W, Tang G. CRISPR/Cas9 mediated gene-editing of GmHdz4 transcription factor enhances drought tolerance in soybean ( Glycine max [L.] Merr.). Front Plant Sci 2022; 13:988505. [PMID: 36061810 PMCID: PMC9437544 DOI: 10.3389/fpls.2022.988505] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 08/01/2022] [Indexed: 05/27/2023]
Abstract
The HD-Zip transcription factors play a crucial role in plant development, secondary metabolism, and abiotic stress responses, but little is known about HD-Zip I genes in soybean. Here, a homeodomain-leucine zipper gene designated GmHdz4 was isolated. Chimeric soybean plants, GmHdz4 overexpressing (GmHdz4-oe), and gene-editing via CRISPR/Cas9 (gmhdz4) in hairy roots, were generated to examine the GmHdz4 gene response to polyethylene glycol (PEG)-simulated drought stress. Bioinformatic analysis showed GmHdz4 belonged to clade δ, and was closely related to other drought tolerance-related HD-Zip I family genes such as AtHB12, Oshox12, and Gshdz4. The GmHdz4 was located in the plant nucleus and showed transcriptional activation activity by yeast hybrid assay. Quantitative real-time PCR analysis revealed that GmHdz4 expression varied in tissues and was induced by PEG-simulated drought stress. The gmhdz4 showed promoted growth of aboveground parts, and its root system architecture, including the total root length, the root superficial area, and the number of root tips were significantly higher than those of GmHdz4-oe even the non-transgenic line (NT) on root tips number. The better maintenance of turgor pressure by osmolyte accumulation, and the higher activity of antioxidant enzymes to scavenge reactive oxygen species, ultimately suppressed the accumulation of hydrogen peroxide (H2O2), superoxide anion (O2-), and malondialdehyde (MDA), conferring higher drought tolerance in gmhdz4 compared with both GmHdz4-oe and NT. Together, our results provide new insights for future research on the mechanisms by which GmHdz4 gene-editing via CRISPR/Cas9 system could promote drought stress and provide a potential target for molecular breeding in soybean.
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Affiliation(s)
- Xuanbo Zhong
- Zhejiang Provincial Key Laboratory of Crop Germplasm, Institute of Crop Science, Zhejiang University, Hangzhou, Zhejiang, China
| | - Wei Hong
- Zhejiang Provincial Key Laboratory of Crop Germplasm, Institute of Crop Science, Zhejiang University, Hangzhou, Zhejiang, China
| | - Yue Shu
- Zhejiang Provincial Key Laboratory of Crop Germplasm, Institute of Crop Science, Zhejiang University, Hangzhou, Zhejiang, China
- Hainan Institute of Zhejiang University, Sanya, Hainan, China
| | - Jianfei Li
- Zhejiang Provincial Key Laboratory of Crop Germplasm, Institute of Crop Science, Zhejiang University, Hangzhou, Zhejiang, China
- Hainan Institute of Zhejiang University, Sanya, Hainan, China
| | - Lulu Liu
- Zhejiang Provincial Key Laboratory of Crop Germplasm, Institute of Crop Science, Zhejiang University, Hangzhou, Zhejiang, China
| | - Xiaoyang Chen
- Seed Management Station of Zhejiang Province, Hangzhou, Zhejiang, China
| | - Faisal Islam
- Zhejiang Provincial Key Laboratory of Crop Germplasm, Institute of Crop Science, Zhejiang University, Hangzhou, Zhejiang, China
| | - Weijun Zhou
- Zhejiang Provincial Key Laboratory of Crop Germplasm, Institute of Crop Science, Zhejiang University, Hangzhou, Zhejiang, China
| | - Guixiang Tang
- Zhejiang Provincial Key Laboratory of Crop Germplasm, Institute of Crop Science, Zhejiang University, Hangzhou, Zhejiang, China
- Hainan Institute of Zhejiang University, Sanya, Hainan, China
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19
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Chen J, Sharifi R, Khan MSS, Islam F, Bhat JA, Kui L, Majeed A. Corrigendum: Wheat Microbiome: Structure, Dynamics, and Role in Improving Performance Under Stress Environments. Front Microbiol 2022; 13:940368. [PMID: 35711772 PMCID: PMC9195292 DOI: 10.3389/fmicb.2022.940368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 05/11/2022] [Indexed: 11/13/2022] Open
Affiliation(s)
- Jian Chen
- International Genome Center, Jiangsu University, Zhenjiang, China
| | - Rouhallah Sharifi
- Department of Plant Protection, College of Agriculture and Natural Resources, Razi University, Kermanshah, Iran
| | | | - Faisal Islam
- Zhejiang Key Laboratory of Crop Germplasm, Institute of Crop Science, Zhejiang University, Hangzhou, China
| | | | - Ling Kui
- Guangxi Key Laboratory of Medicinal Resources Protection and Genetic Improvement, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
| | - Aasim Majeed
- Plant Molecular Genetics Laboratory, School of Agricultural Biotechnology, Punjab Agricultural University, Ludhiana, India
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Islam F, Akter A, Mimi AA, Urmee H, Islam MR, Rahaman MS, Mamun AA, Rahman MM, Dhama K, Emran TB. Neuropharmacological Effects of Chassalia curviflora (Rubiaceae) Leaves in Swiss Albino Mice Model. Arch Razi Inst 2022; 77:881-890. [PMID: 36284956 PMCID: PMC9548293 DOI: 10.22092/ari.2021.356880.1937] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 12/19/2021] [Indexed: 11/16/2022]
Abstract
The current study aimed to investigate the neuropharmacological properties of ethanol, acetone, and ethyl acetate leaf extracts of Chassalia curviflora (C. curviflora) in mouse models. The neuropharmacological properties of this plant were studied on Swiss albino mice at dosages of 50, 100, and 200 mg/kg body weight in thiopental sodium-induced sleeping time test, and at dosages of 100 and 200 mg/kg body weight in other tests. The extracts caused a marked reduction in the initiation and sleep length (P<0.05) in studies on thiopental sodium-induced sleeping time at dosages of 100 and 200 mg/kg and a significant decrease (P<0.05) was found in terms of unconstrained locomotor and explorative activities in both hole crossing and open field tests at dosages of 100 and 200 mg/kg. Furthermore, the extracts increased sleeping time with a dosage-dependent onset of action. The hole-board test extracts also reduced the number of head dips at dosages of 100 and 200 mg/kg (P<0.05). It was found in this study that C. curviflora had the best neuropharmacological properties at a dosage of 200 ml/kg. Our findings also showed that all of the extracts from C. curviflora were experimentally active in an in vivo model. The study results suggested that the leaves had strong anti-depressant and hypnotic CNS properties that might be exploited for neuropharmacological adjuvant therapy in conventional medicine. However, pharmacological studies are warranted to explore the active substances and the mode of action.
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Affiliation(s)
- F Islam
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh
| | - A Akter
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh
| | - A. A Mimi
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh
| | - H Urmee
- Department of Pharmaceutical Science, North South University, Dhaka, Bangladesh
| | - Md. R Islam
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh
| | - Md. S Rahaman
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh
| | - A. A Mamun
- Molecular Pharmacology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Md. M Rahman
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh
| | - K Dhama
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, India
| | - T. B Emran
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong, Bangladesh
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Islam MT, Sheikh SH, Reza E, Ferdaus AM, Islam F, Fatema B, Kamal MZ, Rahman M, Siddiquee MA. Evaluation of Short Term Outcome of Stapled Transanal Rectal Resection (STARR) for ODS (Obstructed Defecation Syndrome) by Comparing Pre and Post-operative ODS Score. Mymensingh Med J 2022; 31:355-359. [PMID: 35383750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Obstructed defecation syndrome (ODS) is a common anorectal problem and it can be corrected by various surgical approaches but most of these have high recurrence and complication rates. Antonio Longo introduced Stapled transanal rectal resection (STARR) in 2003 as a minimally invasive transanal operation for correction ODS associated with rectocele and or rectal intussusception. This study was designed to assess the short term outcome of Stapled Transanal Rectal Resection (STARR) as a surgical treatment of Obstructed Defecation Syndrome (ODS). This is a quasi experimental study which was carried out in the department of Colorectal Surgery, Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh from May 2016 to June 2017. Seventeen (17) patients were included in the study. Patients with obstructed defecation syndrome and rectocele and or rectal intussusception admitted in the department of Colorectal Surgery were enrolled in the study as per inclusion and exclusion criteria. History, clinical examination, Proctoscopy, Colonoscopy and MR Defecography was done for evaluation of the patients. During evaluation preoperative Longo's ODS score of every patient also determined and compared with postoperative ODS score. The patient was followed up regularly at one, three and six months after each operation. The ODS score in 82.35% patients improved significantly. The postoperative score was high (13-15) only in 02(11.8%) patients probably due to presence of physiological factors. Post-operative defecatory urgency was developed in only 02(11.76%) patients. Major postoperative complication like hemorrhage or rectovaginal fistula did not develop in any patient. STARR is an effective, less invasive and simple procedure for the treatment of ODS with rectocele and/or rectal intussusception without major morbidity but other physiological causes of ODS should exclude preoperatively because its presence makes the surgical intervention fruitless.
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Affiliation(s)
- M T Islam
- Dr Md Touhidul Islam, Assistant Professor (Colorectal Surgery), Mymensingh Medical College (MMC), Mymensingh, Bangladesh; E-mail:
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22
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Rahman H, Alam M, Moniruzzaman M, Raju MR, Nessa S, Nasrin S, Khuda RE, Islam F. Pattern of Tubercular Uveitis in Active Pulmonary Tuberculosis. Mymensingh Med J 2022; 31:484-489. [PMID: 35383770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Ocular tuberculosis is an extra-pulmonary form of systemic Tuberculosis (TB). It is rarely found concomitant with active pulmonary tuberculosis (PTB). The aim of this prospective observational study was to evaluate the pattern of tubercular uveitis (TBU) in the patients with active PTB who attended in our Uvea clinic at NIO&H from July 2018 to December 2020. Active PTB patients who had uveitis consistent with TBU and TBU patients who were confirmed as active lung lesion were included in the study. Chest X-ray, TST, IGRA (QuantiFERON-TB Gold Test), RT PCR of aqueous fluid for tubercular bacillus, Gene Xpert TB test of sputum were done to confirm the diagnosis of ocular and primary TB. If the induration is 15 mm of TST was considered patient in this study. Among 33 patients of active PTB, 4 had TBU (12.12%). Among 48 patients of TBU, 5 had active PTB (10.41%). 13 eyes of 9 patients were affected. Mean age at presentation was 41.8 years. There were anterior uveitis in 23.00% eyes, posterior uveitis in 69% eyes and panuveitis in 7.00% eyes. Choroidal granuloma was the most common presentation of posterior uveitis (46.00%). There were more than 4 times chance to develop choroidal granuloma in patients with active PTB than extrapulmonary TB (Χ²=4.53, <0.05), TBU patients with choroidal granuloma should be evaluated meticulously for active PTB and active PTB patients should be evaluated routinely by ophthalmologist for the search of TBU.
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Affiliation(s)
- H Rahman
- Dr Muhammad Hafizur Rahman, Assistant Professor, Vitreo-Retina Department, National Institute of Ophthalmology and Hospital, Dhaka, Bangladesh; E-mail:
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Gratzer D, Islam F, Sockalingam S, Beckett R. Reading of the Week: a continuing professional development program for psychiatrists and residents that Osler would have liked. Can Med Educ J 2022; 13:81-85. [PMID: 35291453 PMCID: PMC8909823 DOI: 10.36834/cmej.72089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
INTRODUCTION William Osler started the first journal club more than a century ago. As in Osler's time, continuing professional development (CPD) is challenging to deliver in our day. This paper discusses the CPD outcomes of Reading of the Week (ROTW), an innovative online education resource aimed at Canadian psychiatrists and psychiatry residents. METHODS ROTW consists of a weekly email sent to these physicians through formal partnerships, including 13 residency training programs, and summarizes the latest literature in psychiatric care. An online survey using Moore's continued medical education evaluation framework was conducted to determine the outcomes of ROTW and how to improve it. RESULTS One-third of ROTW subscribers (n = 332) responded to the survey. Respondents reported a very high rate of satisfaction (97%). The most significant findings: ROTW improved participants' understanding of psychiatry (93%) and informed their practice (83%). CONCLUSIONS ROTW is a program that addresses challenges related to remaining "up-to-date" amidst the vast amount of resources available. Survey data suggests that ROTW has a high satisfaction rate and achieves practice change, perhaps because it provides a boundless learning option for trainees and providers. Further research is needed better to understand the reasons for the success of this program.
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Affiliation(s)
- David Gratzer
- Centre for Addiction and Mental Health, Ontario, Canada
- Department of Psychiatry, University of Toronto, Ontario, Canada
| | - Faisal Islam
- Centre for Addiction and Mental Health, Ontario, Canada
| | - Sanjeev Sockalingam
- Centre for Addiction and Mental Health, Ontario, Canada
- Department of Psychiatry, University of Toronto, Ontario, Canada
| | - Robyn Beckett
- Li Ka Shing Knowledge Institute, St. Michael’s Hospital, Ontario, Canada
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Islam F, Saiyara N, Fazili Z, Shahid J. 237 Antibiotic Prophylaxis of Precision Point Prostate Biopsy Under LA: Changed Practice in a District General Hospital. Br J Surg 2022. [DOI: 10.1093/bjs/znac039.152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Aim
More than 4 million prostate biopsies are performed worldwide each year (1). Out of three different techniques (Template, transperineal, TRUS), Transperineal precision point biopsy under local anaesthesia is the latest and reported to have fewer infectious complications (2). UTI, Urosepsis, septicaemia are some well-known infectious complications following prostate biopsies. Therefore, the Canadian Urological Association recommended the use of broad-based Gram-negative antibiotic prophylaxis 30 to 60 minutes before the procedure and continued for 2 to 3 days in their guideline (3). Our aim was to compare the outcome of two different antibiotic prophylaxis regimens.
Method
In our study to assess the outcome of single-dose prophylaxis compared to regular dose, we collected retrospective data of 119 patients who had undergone precision point biopsy in our hospital.
Results
Among 119 patients, 52 (43.69%) were given 3 days of oral antibiotic followed by preprocedural dose and 67 (56.31%) were given just a single dose before the procedure. None of these patients from both groups were readmitted with any infectious complication post-procedure. 1 patient from the second group (single dose) was admitted with urinary retention but no increased inflammatory markers were found.
Conclusions
TRUS biopsy breeches the rectal mucosa and carries higher chances of post-biopsy infection so requires antibiotic prophylaxis. Single-dose antibiotic prophylaxis is recommended option for transperineal biopsies as the infection rate is lower. Our study shows the same outcome for single-dose and 3-day regimens for transperineal precision point prostate biopsy. Moreover, the use of single dose will significantly reduce medicine costs and antibiotic resistance to improve patient compliance.
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Affiliation(s)
- F. Islam
- Bedford Hospital NHS trust, Bedford, United Kingdom
| | - N. Saiyara
- Leicester General Hospital, Leicester, United Kingdom
| | - Z. Fazili
- Bedford Hospital NHS trust, Bedford, United Kingdom
| | - J. Shahid
- Bedford Hospital NHS trust, Bedford, United Kingdom
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25
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Chen J, Sharifi R, Khan MSS, Islam F, Bhat JA, Kui L, Majeed A. Wheat Microbiome: Structure, Dynamics, and Role in Improving Performance Under Stress Environments. Front Microbiol 2022; 12:821546. [PMID: 35095825 PMCID: PMC8793483 DOI: 10.3389/fmicb.2021.821546] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 12/23/2021] [Indexed: 11/13/2022] Open
Abstract
Wheat is an important cereal crop species consumed globally. The growing global population demands a rapid and sustainable growth of agricultural systems. The development of genetically efficient wheat varieties has solved the global demand for wheat to a greater extent. The use of chemical substances for pathogen control and chemical fertilizers for enhanced agronomic traits also proved advantageous but at the cost of environmental health. An efficient alternative environment-friendly strategy would be the use of beneficial microorganisms growing on plants, which have the potential of controlling plant pathogens as well as enhancing the host plant's water and mineral availability and absorption along with conferring tolerance to different stresses. Therefore, a thorough understanding of plant-microbe interaction, identification of beneficial microbes and their roles, and finally harnessing their beneficial functions to enhance sustainable agriculture without altering the environmental quality is appealing. The wheat microbiome shows prominent variations with the developmental stage, tissue type, environmental conditions, genotype, and age of the plant. A diverse array of bacterial and fungal classes, genera, and species was found to be associated with stems, leaves, roots, seeds, spikes, and rhizospheres, etc., which play a beneficial role in wheat. Harnessing the beneficial aspect of these microbes is a promising method for enhancing the performance of wheat under different environmental stresses. This review focuses on the microbiomes associated with wheat, their spatio-temporal dynamics, and their involvement in mitigating biotic and abiotic stresses.
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Affiliation(s)
- Jian Chen
- International Genome Center, Jiangsu University, Zhenjiang, China
| | - Rouhallah Sharifi
- Department of Plant Protection, College of Agriculture and Natural Resources, Razi University, Kermanshah, Iran
| | | | - Faisal Islam
- Zhejiang Key Laboratory of Crop Germplasm, Institute of Crop Science, Zhejiang University, Hangzhou, China
| | | | - Ling Kui
- Guangxi Key Laboratory of Medicinal Resources Protection and Genetic Improvement, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
| | - Aasim Majeed
- Plant Molecular Genetics Laboratory, School of Agricultural Biotechnology, Punjab Agricultural University, Ludhiana, India
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Farooq MA, Islam F, Ayyaz A, Chen W, Noor Y, Hu W, Hannan F, Zhou W. Mitigation effects of exogenous melatonin-selenium nanoparticles on arsenic-induced stress in Brassica napus. Environ Pollut 2022; 292:118473. [PMID: 34758366 DOI: 10.1016/j.envpol.2021.118473] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Revised: 10/12/2021] [Accepted: 11/05/2021] [Indexed: 06/13/2023]
Abstract
Melatonin (MT) and selenium (Se) application known to decrease heavy metal uptake and toxicity in plants. By mixing the Se in MT medium a new complex MT-Se nanoparticles (MT-Se NPs) was synthesized and we investigated the role of MT-Se NPs on B. napus growth and tolerance against As stress. The MT-Se particles significantly enhanced the plant growth and other associated physiological attributes under As stress. The As treatment at 80 μM was more phytotoxic, however MT-Se NPs application resulted in a substantial increase in leaf chlorophyll fluorescence, biomass accumulation, and decreased ROS relative to As stressed plants. The use of MT-Se NPs to As stressed plants reduced photosynthetic inhibition and oxidative stress and attenuated the increase in MDA and H2O2 contents. The application of MT-Se NPs also boosted the antioxidant enzymes activities such as SOD, POD and CAT as well as the APX, GR and GSH activates under As stress. The results also showed MT-Se NPs treatments alleviated the growth inhibition induced by As and reduced the accumulation of As in leaves and roots of B. napus seedlings. Moreover, treatment with MT-Se NPs improved the plant growth more successfully than treatment of MT and Se alone. This study explored the mechanism of melatonin and selenium efficiency in the composition can be jointly encouraged to exert synergistic effects and boost plant enzymatic activities.
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Affiliation(s)
- Muhammad Ahsan Farooq
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Key Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058, China
| | - Faisal Islam
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Key Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058, China
| | - Ahsan Ayyaz
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Key Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058, China
| | - Weiqi Chen
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Key Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058, China
| | - Yamna Noor
- Department of Botany, The Women University, Multan, 60000, Pakistan
| | - Weizhen Hu
- Agricultural Experiment Station, Zhejiang University, Hangzhou, 310058, China
| | - Fakhir Hannan
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Key Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058, China
| | - Weijun Zhou
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Key Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058, China.
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Khan MSS, Islam F, Chen H, Chang M, Wang D, Liu F, Fu ZQ, Chen J. Transcriptional Coactivators: Driving Force of Plant Immunity. Front Plant Sci 2022; 13:823937. [PMID: 35154230 PMCID: PMC8831314 DOI: 10.3389/fpls.2022.823937] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Accepted: 01/10/2022] [Indexed: 05/03/2023]
Abstract
Salicylic acid (SA) is a plant defense signal that mediates local and systemic immune responses against pathogen invasion. However, the underlying mechanism of SA-mediated defense is very complex due to the involvement of various positive and negative regulators to fine-tune its signaling in diverse pathosystems. Upon pathogen infections, elevated level of SA promotes massive transcriptional reprogramming in which Non-expresser of PR genes 1 (NPR1) acts as a central hub and transcriptional coactivator in defense responses. Recent findings show that Enhanced Disease Susceptibility 1 (EDS1) also functions as a transcriptional coactivator and stimulates the expression of PR1 in the presence of NPR1 and SA. Furthermore, EDS1 stabilizes NPR1 protein level, while NPR1 sustains EDS1 expression during pathogenic infection. The interaction of NPR1 and EDS1 coactivators initiates transcriptional reprogramming by recruiting cyclin-dependent kinase 8 in the Mediator complex to control immune responses. In this review, we highlight the recent breakthroughs that considerably advance our understanding on how transcriptional coactivators interact with their functional partners to trigger distinct pathways to facilitate immune responses, and how SA accumulation induces dynamic changes in NPR1 structure for transcriptional reprogramming. In addition, the functions of different Mediator subunits in SA-mediated plant immunity are also discussed in light of recent discoveries. Taken together, the available evidence suggests that transcriptional coactivators are essential and potent regulators of plant defense pathways and play crucial roles in coordinating plant immune responses during plant-pathogen interactions.
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Affiliation(s)
| | - Faisal Islam
- Institute of Crop Science and Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou, China
| | - Huan Chen
- Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, China
- Department of Biological Sciences, University of South Carolina, Columbia, SC, United States
| | - Ming Chang
- The Key Laboratory of Bio-interactions and Plant Health, College of Life Science, Nanjing Agricultural University, Nanjing, China
| | - Daowen Wang
- State Key Laboratory of Wheat and Maize Crop Science and College of Agronomy, Henan Agricultural University, Zhengzhou, China
| | - Fengquan Liu
- Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, China
- *Correspondence: Fengquan Liu,
| | - Zheng Qing Fu
- Department of Biological Sciences, University of South Carolina, Columbia, SC, United States
- Zheng Qing Fu,
| | - Jian Chen
- International Genome Center, Jiangsu University, Zhenjiang, China
- Jian Chen,
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Chen W, Miao Y, Ayyaz A, Hannan F, Huang Q, Ulhassan Z, Zhou Y, Islam F, Hong Z, Farooq MA, Zhou W. Purple stem Brassica napus exhibits higher photosynthetic efficiency, antioxidant potential and anthocyanin biosynthesis related genes expression against drought stress. Front Plant Sci 2022; 13:936696. [PMID: 35968110 PMCID: PMC9366039 DOI: 10.3389/fpls.2022.936696] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 07/04/2022] [Indexed: 05/09/2023]
Abstract
Purple-stem Brassica napus (B. napus) is a phenotype with unique color because of its high anthocyanins content. Anthocyanins are naturally occurring plant pigments that have antioxidants activity and play important role in plant defense against abiotic and biotic stresses. In the present study, drought induced effects on plants were investigated in hydroponically grown seedlings of green stem (GS) and purple stem (PS) genotypes of B. napus. The results of this study showed that the major function of anthocyanins accumulation during drought was to enhance the antioxidant capability and stress tolerance in B. napus plants. Our results showed that drought significantly inhibited the plant growth in terms of decreased biomass accumulation in both genotypes, although marked decline was observed in GS genotype. The reduction in photosynthetic attributes was more noticeable in the GS genotype, whereas the PS genotype showed better performance under drought stress. Under stressful conditions, both the genotype showed excessive accumulation of reactive oxygen species (ROS) and malondialdehyde (MDA), as well as higher levels of antioxidant enzymes activities. Under drought conditions, the GS genotype showed apparent damages on chloroplast deformation like in thylakoid membrane and grana structural distortion and fewer starch grains and bigger plastoglobuli. Moreover, during drought stress, the PS genotype exhibited maximum expression levels of anthocyanins biosynthesis genes and antioxidant enzymes accompanied by higher stress tolerance relative to GS genotype. Based on these findings, it can be concluded that GS genotype found more sensitive to drought stress than the PS genotype. Furthermore this research paper also provides practical guidance for plant biologists who are developing stress-tolerant crops by using anthocyanin biosynthesis or regulatory genes.
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Affiliation(s)
- Weiqi Chen
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Key Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, China
| | - Yilin Miao
- Agricultural Technology and Water Conservancy Service Center, Jiaxing, China
| | - Ahsan Ayyaz
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Key Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, China
| | - Fakhir Hannan
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Key Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, China
| | - Qian Huang
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Key Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, China
| | - Zaid Ulhassan
- Institute of Crop Science, Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou, China
| | - Yingying Zhou
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Key Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, China
| | - Faisal Islam
- Institute of Crop Science, Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou, China
| | - Zheyuan Hong
- Institute of Crop Science, Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou, China
| | - Muhammad Ahsan Farooq
- Institute of Crop Science, Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou, China
- Muhammad Ahsan Farooq,
| | - Weijun Zhou
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Key Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, China
- *Correspondence: Weijun Zhou,
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Khandaker S, Kabir S, Rahman MR, Toaha MM, Ferdoshi N, Islam F, Basher MS. Menstrual Hygiene Practice among Rural Adolescent School Girls: An Intervention Study. Mymensingh Med J 2022; 31:99-106. [PMID: 34999687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Menstruation, an essential part of the reproductive cycle, is experienced by all adolescent girls. Poor menstrual hygiene is associated with serious ill-health and drop-out from school. An intervention study was carried out to evaluate the outcome of health education on menstrual hygiene practice among randomly selected 45 adolescent girls attending in a purposively selected Shomospur Girls' High School, Khoksha at Kushtia district in 2018. Data were collected before and after intervention by pre-tested, semi-structured interview schedule with a view to explore the practice during menstruation. Majority 23(51.11%) subjects were between 10 to 14 years of age with a mean of 14.42±1.03 years. Mean age at menarche was 12.38±1.15 years. During menstrual period, adolescent girls used to refrain from performing daily household chores (34), skip from attending school (26), stay alone (26) and avoid to mix with others (25). Over two-thirds 31(68.89%) girls forbade nutritious foods like fish, meat, egg and tamarinds. As many as 39(86.67%) girls used to clean their genitalia, and everybody used to have regular bath and washing hands after changing menstrual absorbent. Generally, most of the girls (39, 86.67%) accustomed to use the reusable absorbent. Nearly one third 15(33.33%) girls used to dry the reusable absorbent in room corner, while 5(11.11) in shaded area and 3(6.67%) in the toilet. A considerable number of girls (12) stored the reusable materials in room corner and under the bed. At least 27(60.00%) girls did not use to change menstrual absorbent at school. While after intervention, none of the girls hesitated to attend others and felt safe to perform daily household chores. Moreover, they were confident to attend school and need not to stay alone during menstruation. Cent percent girls practiced to have food containing iron, vitamin C, and drank plenty of water. Warm water with soap and/or detergent was used for cleaning sanitary cloths. An overwhelming number 42(93.33%) of girls used to dry reusable materials in sunlight with a statistically significant difference (p<0.05). Change of behaviour as to frequency of changing sanitary pad (p<0.05) and methods of disposal of sanitary materials was revealed. It can be concluded that imparting knowledge to adolescent girls is effective to keep away from harmful social behaviours, food intake practice and use of sanitary napkin, replace of menstrual absorbent at regular interval and cleaning and storage of reusable sanitary materials with their hygienic disposal.
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Affiliation(s)
- S Khandaker
- Dr Shumya Khandaker, Assistant Professor, Department of Community Medicine, Diabetic Association Medical College, Faridpur, Bangladesh
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30
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Lucke JA, Mooijaart SP, Heeren P, Singler K, McNamara R, Gilbert T, Nickel CH, Castejon S, Mitchell A, Mezera V, Van der Linden L, Lim SE, Thaur A, Karamercan MA, Blomaard LC, Dundar ZD, Chueng KY, Islam F, de Groot B, Conroy S. Providing care for older adults in the Emergency Department: expert clinical recommendations from the European Task Force on Geriatric Emergency Medicine. Eur Geriatr Med 2021; 13:309-317. [PMID: 34738224 PMCID: PMC8568564 DOI: 10.1007/s41999-021-00578-1] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Accepted: 10/20/2021] [Indexed: 01/08/2023]
Abstract
Aim The aim was to develop expert clinical recommendations on Geriatric Emergency Medicine to be disseminated across Europe. Findings Eight posters with expert clinical guidelines on the most important topics in Geriatric Emergency Medicine are now available through https://posters.geriemeurope.eu/. Message Expert clinical recommendations for Geriatric Emergency Medicine in Europe were created and are ready for dissemination across Europe. Supplementary Information The online version contains supplementary material available at 10.1007/s41999-021-00578-1. Purpose Despite the rapidly expanding knowledge in the field of Geriatric Emergency Medicine in Europe, widespread implementation of change is still lacking. Many opportunities in everyday clinical care are missed to improve care for this susceptible and growing patient group. The aim was to develop expert clinical recommendations on Geriatric Emergency Medicine to be disseminated across Europe. Methods A group of multi-disciplinary experts in the field of Geriatric Emergency Medicine in Europe was assembled. Using a modified Delphi procedure, a prioritized list of topics related to Geriatric Emergency Medicine was created. Next, a multi-disciplinary group of nurses, geriatricians and emergency physicians performed a review of recent guidelines and literature to create recommendations. These recommendations were voted upon by a group of experts and placed on visually attractive posters. The expert group identified the following eight subject areas to develop expert recommendations on: Comprehensive Geriatric Assessment in the Emergency Department (ED), age/frailty adjusted risk stratification, delirium and cognitive impairment, medication reviews in the ED for older adults, family involvement, ED environment, silver trauma, end of life care in the acute setting. Results Eight posters with expert clinical recommendations on the most important topics in Geriatric Emergency Medicine are now available through https://posters.geriemeurope.eu/. Conclusion Expert clinical recommendations for Geriatric Emergency Medicine may help to improve care for older patients in the Emergency Department and are ready for dissemination across Europe. Supplementary Information The online version contains supplementary material available at 10.1007/s41999-021-00578-1.
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Affiliation(s)
- J A Lucke
- Department of Emergency Medicine, Spaarne Gasthuis, Haarlem, The Netherlands.
| | - S P Mooijaart
- Department of Internal Medicine, Section on Gerontology and Geriatrics, Leiden University Medical Center, Leiden, The Netherlands
| | - P Heeren
- Department of Public Health and Primary Care, Academic Centre for Nursing and Midwifery, KU Leuven, Leuven, Belgium.,Department of Geriatric Medicine, University Hospitals Leuven, Leuven, Belgium.,Research Foundation Flanders, Brussels, Belgium
| | - K Singler
- Department of Geriatrics, Klinikum Nürnberg, Paracelsus Private, Medical University, Nuremberg, Germany.,Institute for Biomedicine of Ageing, Friedrich-Alexander-University, Erlangen-Nuremberg, Erlangen, Germany
| | - R McNamara
- Department of Emergency Medicine, St. Vincent's University Hospital, Dublin, Ireland
| | - T Gilbert
- Department of Geriatric Medicine, Lyon-Sud University Hospital, Lyon, France
| | - C H Nickel
- Emergency Medicine, University Hospital Basel, Basel, Switzerland
| | - S Castejon
- Department of Geriatrics and Palliative Care, Consorci Sanitari de Terrassa, Terrassa, Barcelona, Spain
| | - A Mitchell
- Department of Emergency Medicine, Sligo University Hospital, Sligo, Ireland
| | - V Mezera
- Geriatric Center, Pardubice Hospital, Pardubice, Czech Republic
| | - L Van der Linden
- Pharmacy Department, University Hospitals Leuven, Leuven, Belgium.,Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium
| | - S E Lim
- Academic Geriatric Medicine, University of Southampton, Southampton, UK
| | - A Thaur
- Department of Emergency Medicine, Guy's and St.Thomas' NHS Foundation Trust, London, UK
| | - M A Karamercan
- Department of Emergency Medicine, Gazi University School of Medicine, Ankara, Turkey
| | - L C Blomaard
- Department of Internal Medicine, Section on Gerontology and Geriatrics, Leiden University Medical Center, Leiden, The Netherlands
| | - Z D Dundar
- Department of Emergency Medicine, Necmettin Erbakan University Meram Faculty of Medicine, Konya, Turkey
| | - K Y Chueng
- Accident and Emergency Department, United Christian Hospital, Kwun Tong, Hong Kong
| | - F Islam
- Department of Public Health and Primary Care, KU Leuven, Leuven, Belgium
| | - B de Groot
- Department of Emergency Medicine, Leiden University Medical Center, Leiden, The Netherlands
| | - S Conroy
- Geriatric Medicine, MRC Unit for Lifelong Health and Ageing at UCL, 5th Floor, 1-19 Torrington Place, London, WC1E 7HB, UK
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Hannan F, Islam F, Huang Q, Farooq MA, Ayyaz A, Fang R, Ali B, Xie X, Zhou W. Interactive effects of biochar and mussel shell activated concoctions on immobilization of nickel and their amelioration on the growth of rapeseed in contaminated aged soil. Chemosphere 2021; 282:130897. [PMID: 34470145 DOI: 10.1016/j.chemosphere.2021.130897] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 05/06/2021] [Accepted: 05/15/2021] [Indexed: 06/13/2023]
Abstract
Mussel shell (MS) and biochar (BC) are commonly used for the remediation of metal contaminated soil. However, less research has been focused to examine the efficacy of their combinations to reduce metal toxicity in crop plants. This study was therefore conducted to investigate the effects of BC, MS and their activated concoctions on the soil properties, enzyme activities and nickel (Ni) immobilization in aged Ni contaminated soil. Moreover, the growth, photosynthetic pigments and anti-oxidative machnery of Brassica napus plants has also been investigated in order to determine amendments efficiency in reducing soil Ni toxicity for plants. The results showed that the application of Ni adversely affected soil health and trigged stress responses by inducing oxidative stress in B. napus. However, the incorporation of amendments reduced the bioavailability of Ni, and the concoctions of BC and MS showed promising results in the immobilization of Ni. Among various combinations of BC and MS, treatment with BC + MS (3:1) significantly reduced Ni uptake, decreased reactive oxygen species (ROS) and enhanced antioxidant defense of B. napus plants. Results showed that amendment's combinations stimulated the transcriptional levels of ROS scavenging enzymes and suppressed the expression level of Ni transporters. The morphological and physical characterization techniques (i.e. SEM, BET, EDS, FTIR and X-ray diffraction analyses) showed that amendment's combinations had relatively higher Ni adsorption capacity, indicating that BC and MS concoctions are efficient immobilizing agents for minimizing Ni availability, preventing oxidative toxicity and promoting growth and biomass production in rapeseed plants under metal stress conditions.
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Affiliation(s)
- Fakhir Hannan
- Institute of Crop Science and Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou, 310058, China
| | - Faisal Islam
- Institute of Crop Science and Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou, 310058, China
| | - Qian Huang
- Institute of Crop Science and Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou, 310058, China
| | - Muhammad A Farooq
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058, China
| | - Ahsan Ayyaz
- Institute of Crop Science and Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou, 310058, China
| | - Rouyi Fang
- Institute of Crop Science and Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou, 310058, China
| | - Basharat Ali
- Department of Agronomy, University of Agriculture, Faisalabad, 38040, Pakistan
| | - Xiaohong Xie
- Department of Landscape Architecture, Zhejiang Wanli University, Ningbo, 315100, China.
| | - Weijun Zhou
- Institute of Crop Science and Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou, 310058, China; Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058, China.
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32
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Saiyara N, Islam F, Binte Rahim T, Islam MM. 1214 A Combined Approach to Prioritise Patients for Colonoscopy. Br J Surg 2021. [DOI: 10.1093/bjs/znab259.134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Aim
Correlating colonoscopy finding with presenting features to assess the diagnostic yield of different symptoms.
Method
We looked at findings of 100 patients retrospectively who had colonoscopy in Dhaka Medical College Hospital, Bangladesh during first peak of COVID (August 2020 to December 2020). We reviewed NICE guideline for high-risk symptoms and NHS guideline for prioritisation of colonoscopy patients.
Results
100 cases were reviewed, 67% were male among the patients, average age was 42.11 (4 – 75 years). 47 were found to have significant pathology. Findings included colorectal malignancy (28%), Polyp (9%), IBD (6%), tuberculosis (2%) etc. PR bleed had highest diagnostic yield (21.27%), followed by abdominal lump (17.02%) and lower abdominal pain (14.89%). Weight loss showed lowest diagnostic yield (4.25%). 28% colonoscopy findings were normal. Patients were chosen based on clinical assessments and imaging results, as stool biochemical marker tests (FIT test, faecal calprotectin) are not available in DMCH.
Conclusions
Being an aerosol generating procedure which has a considerable amount of risk of transmitting COVID infection from patient to clinician or vice versa, it is important to triage patients with lower GI symptoms for colonoscopy. In a developing country like Bangladesh, it is essential to make the most reasonable use of limited resources. Symptoms-based triaging systems are poor predictors of clinically significant disease on colonoscopy. Therefore, a more holistic and novel approach needs to be studied and formulated using a combination of symptoms, blood, and stool biomarkers in order to reduce the need for a ‘negative’ colonoscopy and avoid unnecessary risks.
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Affiliation(s)
- N Saiyara
- Bedford Hospital, Bedford, United Kingdom
| | - F Islam
- Bedford Hospital, Bedford, United Kingdom
| | | | - M M Islam
- Dhaka Medical College Hospital, Dhaka, Bangladesh
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Zhang K, Mason AS, Farooq MA, Islam F, Quezada-Martinez D, Hu D, Yang S, Zou J, Zhou W. Challenges and prospects for a potential allohexaploid Brassica crop. Theor Appl Genet 2021; 134:2711-2726. [PMID: 34089067 DOI: 10.1007/s00122-021-03845-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 04/23/2021] [Indexed: 05/28/2023]
Abstract
The production of a new allohexaploid Brassica crop (2n = AABBCC) is increasingly attracting international interest: a new allohexaploid crop could benefit from several major advantages over the existing Brassica diploid and allotetraploid species, combining genetic diversity and traits from all six crop species with additional allelic heterosis from the extra genome. Although early attempts to produce allohexaploids showed mixed results, recent technological and conceptual advances have provided promising leads to follow. However, there are still major challenges which exist before this new crop type can be realized: (1) incorporation of sufficient genetic diversity to form a basis for breeding and improvement of this potential crop species; (2) restoration of regular meiosis, as most allohexaploids are genetically unstable after formation; and (3) improvement of agronomic traits to the level of "elite" breeding material in the diploid and allotetraploid crop species. In this review, we outline these major prospects and challenges and propose possible plans to produce a stable, diverse and agronomically viable allohexaploid Brassica crop.
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Affiliation(s)
- Kangni Zhang
- Institute of Crop Science and Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou, 310058, China
| | - Annaliese S Mason
- Plant Breeding Department, Justus Liebig University, 35392, Giessen, Germany
- Plant Breeding Department, The University of Bonn, Katzenburgweg 5, 53115, Bonn, Germany
| | - Muhammad A Farooq
- Institute of Crop Science and Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou, 310058, China
| | - Faisal Islam
- Institute of Crop Science and Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou, 310058, China
| | - Daniela Quezada-Martinez
- Plant Breeding Department, Justus Liebig University, 35392, Giessen, Germany
- Plant Breeding Department, The University of Bonn, Katzenburgweg 5, 53115, Bonn, Germany
| | - Dandan Hu
- National Key Laboratory of Crop Genetic Improvement, College of Plant Science & Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Su Yang
- College of Life Sciences, China Jiliang University, Hangzhou, 310018, China
| | - Jun Zou
- National Key Laboratory of Crop Genetic Improvement, College of Plant Science & Technology, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Weijun Zhou
- Institute of Crop Science and Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou, 310058, China.
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Hannan F, Huang Q, Farooq MA, Ayyaz A, Ma J, Zhang N, Ali B, Deyett E, Zhou W, Islam F. Organic and inorganic amendments for the remediation of nickel contaminated soil and its improvement on Brassica napus growth and oxidative defense. J Hazard Mater 2021; 416:125921. [PMID: 34492853 DOI: 10.1016/j.jhazmat.2021.125921] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 03/27/2021] [Accepted: 04/15/2021] [Indexed: 06/13/2023]
Abstract
In-situ stabilization has been considered an effective way to remediate metal contaminated soil. Thus, pot experiments were undertaken to investigate the effectiveness of multiple stabilization agents such as biochar (BC), mussel shell (MS), zeolite (ZE) and limestone (LS) on the immobilization of Ni, physicochemical features and enzyme activities in polluted soil. Results showed that the sole application of Ni adversely affected the rapeseed growth, photosynthetic pigments, and antioxidative defense. However, the addition of amendments to the contaminated soil significantly reduced Ni bioavailability. The XRD analysis confirmed the formation of Ni related ligands and FTIR showed the presence of hydroxyl, carboxyl and sulfur functional groups, as well as complexation and adsorption of Ni on amendments. Among multiple amendments, biochar significantly enhanced plant biomass attributes and total chlorophyll content. Moreover, addition of amendments also strengthened the antioxidant defense by decreasing Ni induced oxidative stress (H2O2 and O2.-), increased macronutrient availability, reduced Ni uptake and improved soil health. The qPCR analysis showed that the Ni transporters were significantly suppressed by amendments, which is correlated with the lower accumulation of Ni in rapeseed. The present study showed that immobilizing agents, especially biochar, is an effective amendment to immobilize Ni in soil, which restricts its entry into the food chain.
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Affiliation(s)
- Fakhir Hannan
- Institute of Crop Science and Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou 310058, China
| | - Qian Huang
- Institute of Crop Science and Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou 310058, China
| | - Muhammad A Farooq
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou 310058, China
| | - Ahsan Ayyaz
- Institute of Crop Science and Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou 310058, China
| | - Junyi Ma
- Institute of Crop Science and Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou 310058, China
| | - Na Zhang
- Institute of Crop Science and Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou 310058, China
| | - Basharat Ali
- Department of Agronomy, University of Agriculture, Faisalabad, 38040, Pakistan
| | - Elizabeth Deyett
- Department of Botany and Plant Sciences, University of California, Riverside, CA 92521, USA
| | - Weijun Zhou
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou 310058, China.
| | - Faisal Islam
- Institute of Crop Science and Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou 310058, China.
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Ayyaz A, Miao Y, Hannan F, Islam F, Zhang K, Xu J, Farooq MA, Zhou W. Drought tolerance in Brassica napus is accompanied with enhanced antioxidative protection, photosynthetic and hormonal regulation at seedling stage. Physiol Plant 2021; 172:1133-1148. [PMID: 33599291 DOI: 10.1111/ppl.13375] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 01/09/2021] [Accepted: 02/15/2021] [Indexed: 06/12/2023]
Abstract
Climate change, food insecurity, water scarcity, and population growth are some of today's world's frightening problems. Drought stress exerts a constant threat to field crops and is often seen as a major constraint on global agricultural productivity; its intensity and frequency are expected to increase in the near future. The present study investigated the effects of drought stress (15% w/v polyethylene glycol PEG-6000) on physiological and biochemical changes in five Brassica napus cultivars (ZD630, ZD622, ZD619, GY605, and ZS11). For drought stress induction, 3-week-old rapeseed oil seedlings were treated with PEG-6000 in full strength Hoagland nutrient solution for 7 days. PEG treatment significantly decreased the plant growth and photosynthetic efficiency, including primary photochemistry (Fv/Fm) of PSII, intercellular CO2 , net photosynthesis, chlorophyll contents, and water-use efficiency of all studied B. napus cultivars; however, pronounced growth retardations were observed in cultivar GY605. Drought-stressed B. napus cultivars also experienced a sharp rise in H2 O2 generation and malondialdehyde (MDA) content. Additionally, the accumulation of ROS was accompanied by increased activity of enzymatic antioxidants (superoxide dismutase, peroxidase, catalase, ascorbate peroxidase, glutathione reductase, and monodehydroascorbate reductase), although the increase was more obvious in ZD622 and ZS11. Drought stress also caused an increased endogenous hormonal biosynthesis (abscisic acid, jasmonic acid, salicylic acid) and accumulation of total soluble proteins and proline content, but the extent varies in B. napus cultivars. These results suggest that B. napus cultivars have an efficient drought stress tolerance mechanism, as shown by improved antioxidant enzyme activities, photosynthetic and hormonal regulation.
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Affiliation(s)
- Ahsan Ayyaz
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, China
| | - Yilin Miao
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, China
| | - Fakhir Hannan
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, China
| | - Faisal Islam
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, China
| | - Kangni Zhang
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, China
| | - Jianxiang Xu
- Institute of Crop Science, Quzhou Academy of Agricultural Sciences, Quzhou, China
| | - Muhammad Ahsan Farooq
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, China
| | - Weijun Zhou
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, China
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Nazneen T, Begum SA, Mahmud T, Khatoon F, Islam F, Amatullah M. Preoperative Analysis of CA-I25 and its Relation with Histopathological Study in Ovarian Tumours. Mymensingh Med J 2021; 30:402-409. [PMID: 33830120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Ovarian cancer (OC) is the seventh most common cancer among women in the world. Epithelial OC is the most predominant pathological subtype, with five major histotype. All five subtypes that differ in origination, pathogenesis, molecular alterations, risk factors and prognosis. The clinical presentations of ovarian tumors are variable and not specific. Most of the malignant ovarian tumor seeks medical advice at advanced stage of the disease. At that stage no effective treatment could be possible. There are several researches are going on developing a screening test for ovarian cancer. But there hasn't been much success yet. Clinical examination such as complete pelvic examination together with two investigations is used most often to screen the ovarian cancer. These investigations are transvaginal ultrasound (TVUS) and the blood test CA-125. The measurement of CA-125 level usually in combination with other modalities like bimanual pelvic examination, transvaginal ultrasonography is the proposed modality of early detection of ovarian cancer. The most promising application of this tumor marker is the screening. Therefore this cross sectional and observational study was conducted to observe the relationship of histopathological diagnosis and clinical features with serum CA-125 levels. Study conducted from January 2017 to December 2017 at Sir Salimullah Medical College& Mitford Hospital, Dhaka, Bangladesh. All admitted Gynecological patients having ovarian tumors during study period were included purposively for this study. Sample size was 50. Clinical features and preoperative findings of CA-125 level of these 50 patients were collected. Finally histopathological reports were accumulated after operative treatment. Gastrointestinal & constitutional complain, gynecologic mass and pain in abdomen were the selected symptoms. CA-125 levels were evaluated in relation with histopathological findings. The different findings were correlated with those of studies done at home and abroad. Mean age of the study population was (Mean±SD) 34.25±14.65. Histological findings among the study population showed that benign tumors were 72% (n=36) and malignant tumors were 28% (n=14). In case of benign ovarian tumors among 36 women, 94.4% (n=34) of them showed CA 125 level <35U/ml, other 5.6% (n=2) showed more than normal (>35U/ml) but range was 35-65U/ml. While 14 of the study population having histopathologically proven malignant ovarian tumor, showed the tumor marker level >35U/ml among 71.4% (n=10) and 28.6% (n=4) showed tumor marker <35U/ml. This finding was statistically significant (p=0.001). Histopathological findings revealed that there were significant increases in CA-125 levels in women with malignant serous histotype of serous cyst adenocarcinoma where range of CA-125 level were 2018.88 to 4249.63U/ml. Constitutional symptoms such as weight loss, loss of appetite, symptoms of mass effect such as urinary retention and rapidly progressing tumor were the symptoms of malignant ovarian tumors. Preoperative elevated level of CA-125 is the differentiating points of malignant serous histotype from benign ovarian tumors. This study will put forward some clues about the clinical diagnosis of ovarian tumor which may be utilized for making investigation and management plan. Also it will help for making prompt decision during pre-operative and per-operative procedures.
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Affiliation(s)
- T Nazneen
- Dr Towhida Nazneen, Junior Consultant, Department of Obs & Gynae, General Hospital Munshigong, Dhaka, Bangladesh; towhida
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Farooq MA, Hong Z, Islam F, Noor Y, Hannan F, Zhang Y, Ayyaz A, Mwamba TM, Zhou W, Song W. Comprehensive proteomic analysis of arsenic induced toxicity reveals the mechanism of multilevel coordination of efficient defense and energy metabolism in two Brassica napus cultivars. Ecotoxicol Environ Saf 2021; 208:111744. [PMID: 33396070 DOI: 10.1016/j.ecoenv.2020.111744] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 11/23/2020] [Accepted: 11/27/2020] [Indexed: 05/19/2023]
Abstract
Arsenic (As) a non-essential element is of particular concern with respect to harmful effects on plant metabolism. While extensive studies have been conducted on the physiological responses of plants to increase As concentrations, however, molecular differences elucidating species-specific changes remain largely unknown. In the present experiment, two oilseed Brassica napus (B. napus) cultivars, ZS758 and ZD622, were treated by elevated As concentration. Their responses to the As stress have been investigated through pulse amplitude modulated fluorometer and isobaric tags based proteomic (iTRAQ) analysis. The chlorophyll fluorescence attributes showed that As stress significantly decrease the photochemical efficiency of photosystem II (PSII) and photosystem I (PSI) as well as the comparatively closed stomata observed under scanning electron microscopy (SEM). In this study, 65 proteins displayed increased abundance and 52 down-regulated were found in the control vs As comparison in cultivar ZS758, while 44 up and 67 down-regulated proteins were found in the control vs As comparison in ZD622. Metabolic pathways, followed by ribosome and biosynthesis of secondary metabolites were the dominant functional annotation categories among the differentially expressed protein (DEPs). Many genes involved in primary metabolism, stress and defense were found to be As-responsive DEPs and/or DEPs between these two cultivars. Based on these results, a schematic description of key processes involved in As tolerance in ZS758 and ZD622 is proposed, which suggests that higher tolerance in ZS758 depends on a multilevel coordination of efficient defense and energy metabolism. Real-time quantitative PCR supported the expression patterns of several genes encoding a protein similar to their corresponding DEPs. In addition, these findings could shed light in unraveling the molecular mechanisms of B. napus exposed to As stress and provide or improve essential understandings in the development of advanced B. napus cultivars against As resistance.
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Affiliation(s)
- Muhammad Ahsan Farooq
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou 310058, China
| | - Zheyuan Hong
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou 310058, China
| | - Faisal Islam
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou 310058, China
| | - Yamna Noor
- Department of Botany, The Women University, Multan 60000, Pakistan
| | - Fakhir Hannan
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou 310058, China
| | - Yan Zhang
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou 310058, China
| | - Ahsan Ayyaz
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou 310058, China
| | - Theodore M Mwamba
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou 310058, China
| | - Weijun Zhou
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou 310058, China
| | - Wenjian Song
- Agricultural Technology Extension Center, Zhejiang University, Hangzhou 310058, China.
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Li J, Islam F, Huang Q, Wang J, Zhou W, Xu L, Yang C. Genome-wide characterization of WRKY gene family in Helianthus annuus L. and their expression profiles under biotic and abiotic stresses. PLoS One 2020; 15:e0241965. [PMID: 33270651 PMCID: PMC7714227 DOI: 10.1371/journal.pone.0241965] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 10/26/2020] [Indexed: 12/05/2022] Open
Abstract
WRKY transcription factors play important roles in various physiological processes and stress responses in flowering plants. Sunflower (Helianthus annuus L.) is one of the important vegetable oil supplies in the world. However, the information about WRKY genes in sunflower is limited. In this study, ninety HaWRKY genes were identified and renamed according to their locations on chromosomes. Further phylogenetic analyses classified them into four main groups including a species-specific WKKY group. Besides, HaWRKY genes within the same group or subgroup generally showed similar exon-intron structures and motif compositions. The gene duplication analysis showed that five pairs of HaWRKY genes (HaWRKY8/9, HaWRKY53/54, HaWRKY65/66, HaWRKY66/67 and HaWRKY71/72) are tandem duplicated and four HaWRKY gene pairs (HaWRKY15/82, HaWRKY25/65, HaWRKY28/55 and HaWRKY50/53) are also identified as segmental duplication events, indicating that these duplication genes were contribute to the diversity and expansion of HaWRKY gene families. The dN/dS ratio of these duplicated gene pairs were also calculated to understand the evolutionary constraints. In addition, synteny analyses of sunflower WRKY genes provided deep insight to the evolution of HaWRKY genes. Transcriptomic and qRT-PCR analyses of HaWRKY genes displayed distinct expression patterns in different plant tissues, as well as under various abiotic and biotic stresses, which provide a foundation for further functional analyses of these genes. Those functional genes related to stress tolerance and quality improvement could be applied in marker assisted breeding of the crop.
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Affiliation(s)
- Juanjuan Li
- Zhejiang Key Lab of Plant Secondary Metabolism and Regulation, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, China
| | - Faisal Islam
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Lab of Spectroscopy Sensing, Zhejiang University, Hangzhou, China
| | - Qian Huang
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Lab of Spectroscopy Sensing, Zhejiang University, Hangzhou, China
| | - Jian Wang
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Lab of Spectroscopy Sensing, Zhejiang University, Hangzhou, China
| | - Weijun Zhou
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Lab of Spectroscopy Sensing, Zhejiang University, Hangzhou, China
| | - Ling Xu
- Zhejiang Key Lab of Plant Secondary Metabolism and Regulation, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, China
- * E-mail: (LX); (CY)
| | - Chong Yang
- Bioengineering Research Laboratory, Institute of Bioengineering, Guangdong Academy of Sciences, Guangzhou, China
- * E-mail: (LX); (CY)
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Hu L, Wang J, Yang C, Islam F, Bouwmeester HJ, Muños S, Zhou W. The Effect of Virulence and Resistance Mechanisms on the Interactions between Parasitic Plants and Their Hosts. Int J Mol Sci 2020; 21:E9013. [PMID: 33260931 PMCID: PMC7730841 DOI: 10.3390/ijms21239013] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 10/26/2020] [Accepted: 10/31/2020] [Indexed: 01/06/2023] Open
Abstract
Parasitic plants have a unique heterotrophic lifestyle based on the extraction of water and nutrients from host plants. Some parasitic plant species, particularly those of the family Orobanchaceae, attack crops and cause substantial yield losses. The breeding of resistant crop varieties is an inexpensive way to control parasitic weeds, but often does not provide a long-lasting solution because the parasites rapidly evolve to overcome resistance. Understanding mechanisms underlying naturally occurring parasitic plant resistance is of great interest and could help to develop methods to control parasitic plants. In this review, we describe the virulence mechanisms of parasitic plants and resistance mechanisms in their hosts, focusing on obligate root parasites of the genera Orobanche and Striga. We noticed that the resistance (R) genes in the host genome often encode proteins with nucleotide-binding and leucine-rich repeat domains (NLR proteins), hence we proposed a mechanism by which host plants use NLR proteins to activate downstream resistance gene expression. We speculated how parasitic plants and their hosts co-evolved and discussed what drives the evolution of virulence effectors in parasitic plants by considering concepts from similar studies of plant-microbe interaction. Most previous studies have focused on the host rather than the parasite, so we also provided an updated summary of genomic resources for parasitic plants and parasitic genes for further research to test our hypotheses. Finally, we discussed new approaches such as CRISPR/Cas9-mediated genome editing and RNAi silencing that can provide deeper insight into the intriguing life cycle of parasitic plants and could potentially contribute to the development of novel strategies for controlling parasitic weeds, thereby enhancing crop productivity and food security globally.
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Affiliation(s)
- Luyang Hu
- Institute of Crop Science and Zhejiang Key Lab of Crop Germplasm, Zhejiang University, Hangzhou 310058, China; (L.H.); (J.W.); (F.I.)
| | - Jiansu Wang
- Institute of Crop Science and Zhejiang Key Lab of Crop Germplasm, Zhejiang University, Hangzhou 310058, China; (L.H.); (J.W.); (F.I.)
| | - Chong Yang
- Bioengineering Research Laboratory, Institute of Bioengineering, Guangdong Academy of Sciences, Guangzhou 510316, China;
| | - Faisal Islam
- Institute of Crop Science and Zhejiang Key Lab of Crop Germplasm, Zhejiang University, Hangzhou 310058, China; (L.H.); (J.W.); (F.I.)
| | - Harro J. Bouwmeester
- Swammerdam Institute for Life Sciences, University of Amsterdam, 1000 BE Amsterdam, The Netherlands;
| | - Stéphane Muños
- LIPM, Université de Toulouse, INRAE, CNRS, 31326 Castanet-Tolosan, France;
| | - Weijun Zhou
- Institute of Crop Science and Zhejiang Key Lab of Crop Germplasm, Zhejiang University, Hangzhou 310058, China; (L.H.); (J.W.); (F.I.)
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Manny TF, Miah R, Islam F, Sen D, Mahmud R. Enhanced Oxidation of Uric Acid at Thiourea-Modified Gold Electrode in Alkaline Media. RUSS J ELECTROCHEM+ 2020. [DOI: 10.1134/s1023193520070046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Mwamba TM, Islam F, Ali B, Lwalaba JLW, Gill RA, Zhang F, Farooq MA, Ali S, Ulhassan Z, Huang Q, Zhou W, Wang J. Comparative metabolomic responses of low- and high-cadmium accumulating genotypes reveal the cadmium adaptive mechanism in Brassica napus. Chemosphere 2020; 250:126308. [PMID: 32135439 DOI: 10.1016/j.chemosphere.2020.126308] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2020] [Revised: 02/20/2020] [Accepted: 02/21/2020] [Indexed: 05/21/2023]
Abstract
Recently, oilseed rape has gathered interest for its ability to withstand elevated metal contents in plant, a key feature for remediation of contaminated soils. In this study, comparative and functional metabolomic analyses using liquid chromatography/mass spectrometry were undertaken to explore the metabolic basis of this attribute under cadmium (Cd) stress. Results revealed both conserved and differential metabolomic responses between genotype CB671 (tolerant Cd-accumulating) and its sensitive counterpart ZD622. CB671 responded to Cd stress by rearranging carbon flux towards production of compatible solutes, sugar storage forms and ascorbate, as well as jasmonates, ethylene and vitamin B6. Intriguingly, IAA abundance was reduced by 1.91-fold, which was in connection with tryptophan funnelling into serotonin (3.48-fold rise). In ZD622 by contrast, Cd provoked drastic depletion of carbohydrates and vitamins, but subtle hormones alteration. A striking accumulation of unsaturated fatty acids and oxylipins in CB671, paralleled by glycerophospholipids build-up and induction of inositol-derived signalling metabolites (up to 5.41-fold) suggested ability for prompt triggering of detoxifying mechanisms. Concomitantly, phytosteroids, monoterpenes and carotenoids were induced, denoting fine-tuned mechanisms for membrane maintenance, which was not evident in ZD622. Further, ZD622 markedly accumulated phenolics from upstream sub-classes of flavonoids; in CB671 however, a distinct phenolic wiring was activated, prioritizing anthocyanins and lignans instead. Along with cell wall (CW) saccharides, the activation of lignans evoked CW priming in CB671. Current results have demonstrated existence of notable metabolomic-based strategies for Cd tolerance in metal-accumulating oilseed rapes, and provided a holistic view of metabolites potentially contributing to Cd tolerance in this species.
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Affiliation(s)
- T M Mwamba
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058, China; Department of Crop Science, University of Lubumbashi, Lubumbashi, 1825, DR Congo
| | - F Islam
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058, China
| | - B Ali
- Department of Agronomy, University of Agriculture Faisalabad, 38040, Pakistan
| | - J L W Lwalaba
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058, China; Department of Crop Science, University of Lubumbashi, Lubumbashi, 1825, DR Congo
| | - R A Gill
- Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan, 430062, China
| | - F Zhang
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058, China
| | - M A Farooq
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058, China
| | - S Ali
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058, China
| | - Z Ulhassan
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058, China
| | - Q Huang
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058, China
| | - W Zhou
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058, China
| | - J Wang
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058, China.
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Long M, Shou J, Wang J, Hu W, Hannan F, Mwamba TM, Farooq MA, Zhou W, Islam F. Ursolic Acid Limits Salt-Induced Oxidative Damage by Interfering With Nitric Oxide Production and Oxidative Defense Machinery in Rice. Front Plant Sci 2020; 11:697. [PMID: 32670308 PMCID: PMC7327119 DOI: 10.3389/fpls.2020.00697] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Accepted: 05/04/2020] [Indexed: 05/03/2023]
Abstract
Crops frequently encounter abiotic stresses, and salinity is a prime factor that suppresses plant growth and crop productivity, globally. Ursolic acid (UA) is a potential signaling molecule that alters physiology and biochemical processes and activates the defense mechanism in numerous animal models; however, effects of UA in plants under stress conditions and the underlying mechanism of stress alleviation have not been explored yet. This study examined the effects of foliar application of UA (100 μM) to mitigate salt stress in three rice cultivars (HZ, 712, and HAY). A pot experiment was conducted in a climate-controlled greenhouse with different salt stress treatments. The results indicated that exposure to NaCl-induced salinity reduces growth of rice cultivars by damaging chlorophyll pigment and chloroplast, particularly at a higher stress level. Application of UA alleviated adverse effects of salinity by suppressing oxidative stress (H2O2, O2-) and stimulating activities of enzymatic and non-enzymatic antioxidants (APX, CAT, POD, GR, GSH, AsA, proline, glycinebutane), as well as protecting cell membrane integrity (MDA, LOX, EL). Furthermore, UA application brought about a significant increase in the concentration of leaf nitric oxide (NO) by modulating the expression of NR and NOS enzymes. It seems that UA application also influenced Na+ efflux and maintained a lower cytosolic Na+/K+ ratio via concomitant upregulation of OsSOS1 and OsHKT1;5 in rice cultivars. The results of pharmacological tests have shown that supply of the NO scavenger (PTI) completely reversed the UA-induced salt tolerance in rice cultivars by quenching endogenous NO and triggering oxidative stress, Na+ uptake, and lipid peroxidation. The PTI application with UA and sodium nitroprusside (SNP) also caused growth retardation and a significant increase in Na+ uptake and oxidative stress in rice cultivars. This suggests that UA promoted salt tolerance of rice cultivars by triggering NO production and limiting toxic ion and reactive oxygen species (ROS) accumulation. These results revealed that both UA and NO are together required to develop a salt tolerance response in rice.
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Affiliation(s)
- Meijuan Long
- Institute of Crop Science, Zhejiang University, Hangzhou, China
| | - Jianyao Shou
- Zhuji Municipal Agro-Tech Extension Center, Zhuji, China
| | - Jian Wang
- Institute of Crop Science, Zhejiang University, Hangzhou, China
- Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, China
| | - Weizhen Hu
- Agricultural Experiment Station, Zhejiang University, Hangzhou, China
| | - Fakhir Hannan
- Institute of Crop Science, Zhejiang University, Hangzhou, China
| | | | | | - Weijun Zhou
- Institute of Crop Science, Zhejiang University, Hangzhou, China
- Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, China
| | - Faisal Islam
- Institute of Crop Science, Zhejiang University, Hangzhou, China
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Islam F, Zakir HM, Rahman A, Sharmin S. Impact of Industrial Wastewater Irrigation on Heavy Metal Deposition in Farm Soils of Bhaluka Area, Bangladesh. ACTA ACUST UNITED AC 2020. [DOI: 10.9734/jgeesi/2020/v24i330207] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The study was conducted to determine heavy metal contents in industrial wastewater and contaminated soils of Bhaluka, Mymensingh and to assess their pollution level. A total of 9 industrial wastewater and 12 contaminated farm soil samples were collected directly from the farmers’ fields of Bhaluka area and analysed for this study. Considering EC, salinity and TDS, 56 to 89% wastewater samples were found problematic for long term irrigation. The concentration of CO3, HCO3 and Cl in wastewater ranged from 0.20-1.60, 2.0-11.2 and 1.30-4.79 me L-1, respectively and the content of Ca, Mg, Na and K in wastewater ranged from 16.03-52.10, 4.86-21.87, 101.98-678.90 and 5.59-48.63 mg L-1, respectively. The study results revealed that all wastewater samples were found unsuitable for irrigation in respect of CO3, HCO3 and K. Among the heavy metals studied, Pb, Cd and Fe concentrations in all wastewater samples and Mn content in 5 samples were found above than the acceptable limit for irrigation. The concentration of Zn, Cr, Cu, Pb, Ni, Cd, Mn and Fe in wastewater irrigated soils of Bhaluka industrial area ranged from 50.48 to 448.56, 47.22 to 83.65, 19.13 to 328.23, 42.37 to 77.96, 22.93 to 43.86, 0.70 to 1.40, 161.5 to 341.7 and 38105 to 65399 μg g-1, respectively. Considering geoaccumulation index, the Igeo values for Pb and Cd for all locations of the study area exhibited positive values (0.495< Igeo <1.624), that means Igeo class: 1-2, indicate moderately polluted soil quality. On the other hand, as regards to enrichment factor (EFc), 9 locations for Pb, 5 for Cd, 1 for Zn and 1 for Cu had EFc values > 5.0, indicate contaminated soil quality. The study concluded that industrial wastewater used for irrigation was directly linked with the heavy metals deposition in the farm soils.
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Wang J, Zhang C, Shi Y, Long M, Islam F, Yang C, Yang S, He Y, Zhou W. Evaluation of quinclorac toxicity and alleviation by salicylic acid in rice seedlings using ground-based visible/near-infrared hyperspectral imaging. Plant Methods 2020; 16:30. [PMID: 32165910 PMCID: PMC7059665 DOI: 10.1186/s13007-020-00576-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Accepted: 02/26/2020] [Indexed: 05/24/2023]
Abstract
BACKGROUND To investigate potential effects of herbicide phytotoxic on crops, a major challenge is a lack of non-destructive and rapid methods to detect plant growth that could allow characterization of herbicide-resistant plants. In such a case, hyperspectral imaging can quickly obtain the spectrum for each pixel in the image and monitor status of plants harmlessly. METHOD Hyperspectral imaging covering the spectral range of 380-1030 nm was investigated to determine the herbicide toxicity in rice cultivars. Two rice cultivars, Xiushui 134 and Zhejing 88, were respectively treated with quinclorac alone and plus salicylic acid (SA) pre-treatment. After ten days of treatments, we collected hyperspectral images and physiological parameters to analyze the differences. The score images obtained were used to explore the differences among samples under diverse treatments by conducting principal component analysis on hyperspectral images. To get useful information from original data, feature extraction was also conducted by principal component analysis. In order to classify samples under diverse treatments, full-spectra-based support vector classification (SVC) models and extracted-feature-based SVC models were established. The prediction maps of samples under different treatments were constructed by applying the SVC models using extracted features on hyperspectral images, which provided direct visual information of rice growth status under herbicide stress. The physiological analysis with the changes of stress-responsive enzymes confirmed the differences of samples under different treatments. RESULTS The physiological analysis showed that SA alleviated the quinclorac toxicity by stimulating enzymatic activity and reducing the levels of reactive oxygen species. The score images indicated there were spectral differences among the samples under different treatments. Full-spectra-based SVC models and extracted-feature-based SVC models obtained good results for the aboveground parts, with classification accuracy over 80% in training, validation and prediction set. The SVC models for Zhejing 88 presented better results than those for Xiushui 134, revealing the different herbicide tolerance between rice cultivars. CONCLUSION We develop a reliable and effective model using hyperspectral imaging technique which enables the evaluation and visualization of herbicide toxicity for rice. The reflectance spectra variations of rice could reveal the stress status of herbicide toxicity in rice along with the physiological parameters. The visualization of the herbicide toxicity in rice would help to provide the intuitive vision of herbicide toxicity in rice. A monitoring system for detecting herbicide toxicity and its alleviation by SA will benefit from the remarkable success of SVC models and distribution maps.
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Affiliation(s)
- Jian Wang
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Key Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058 China
- UWA School of Agriculture and Environment and The UWA Institute of Agriculture, Faculty of Science, The University of Western Australia, Crawley, WA 6009 Australia
| | - Chu Zhang
- College of Biosystems Engineering and Food Science, Ministry of Agriculture and Rural Affairs Key Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058 China
| | - Ying Shi
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Key Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058 China
| | - Meijuan Long
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Key Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058 China
| | - Faisal Islam
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Key Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058 China
| | - Chong Yang
- Bioengineering Research Laboratory, Guangdong Bioengineering Institute (Guangzhou Sugarcane Industry Research Institute), Guangzhou, 510316 China
| | - Su Yang
- College of Life Sciences, China Jiliang University, Hangzhou, 310018 China
| | - Yong He
- College of Biosystems Engineering and Food Science, Ministry of Agriculture and Rural Affairs Key Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058 China
| | - Weijun Zhou
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Key Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058 China
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Theuerle J, Al-Fiadh A, Islam F, Patel S, Burrell L, Wong T, Farouque O. 502 Impaired Retinal Microvascular Function Predicts Long-Term Adverse Events in Patients With Cardiovascular Disease. Heart Lung Circ 2020. [DOI: 10.1016/j.hlc.2020.09.509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Farooq MA, Zhang K, Islam F, Wang J, Athar HUR, Nawaz A, Ullah Zafar Z, Xu J, Zhou W. Physiological and iTRAQ-Based Quantitative Proteomics Analysis of Methyl Jasmonate-Induced Tolerance in Brassica napus Under Arsenic Stress. Proteomics 2019. [PMID: 29528557 DOI: 10.1002/pmic.201700290] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Brassica napus plants exposed to 200 μM arsenic (As) exhibited high-level of stress condition, which led to inhibited growth, enhanced lipid peroxidation, and disrupted cellular ultrastructures. Exogenous application of methyl jasmonate (MeJA) alleviated the As-induced oxidative stress and improved the plant growth and photosynthesis. In this study, changes in the B. napus leaf proteome are investigated in order to identify molecular mechanisms involved in MeJA-induced As tolerance. The study identifies 177 proteins that are differentially expressed in cultivar ZS 758; while 200 differentially expressed proteins are accumulated in Zheda 622, when exposed to As alone and MeJA+As treatments, respectively. The main objective was to identify the MeJA-regulated protein under As stress. Consistent with this, iTRAQ detected 61 proteins which are significantly accumulated in ZS 758 leaves treated with MeJA under As stress. While in Zheda 622, iTRAQ detected 49 MeJA-induced proteins under As stress. These significantly expressed proteins are further divided into five groups on the base of their function, that is, stress and defense, photosynthesis, carbohydrates and energy production, protein metabolism, and secondary metabolites. Taken together, this study sheds light on the molecular mechanisms involved in MeJA-induced As tolerance in B. napus leaves and suggests a more active involvement of MeJA in plant physiological processes.
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Affiliation(s)
- Muhammad Ahsan Farooq
- Institute of Crop Science and, Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou, P. R. China.,Institute of Pure and Applied Biology, Bahauddin Zakariya University, Multan, Pakistan
| | - Kangni Zhang
- Institute of Crop Science and, Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou, P. R. China
| | - Faisal Islam
- Institute of Crop Science and, Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou, P. R. China
| | - Jian Wang
- Institute of Crop Science and, Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou, P. R. China
| | - Habib U R Athar
- Institute of Pure and Applied Biology, Bahauddin Zakariya University, Multan, Pakistan
| | - Aamir Nawaz
- Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Pakistan
| | - Zafar Ullah Zafar
- Institute of Pure and Applied Biology, Bahauddin Zakariya University, Multan, Pakistan
| | - Jianxiang Xu
- Institute of Crop Science, Quzhou Academy of Agricultural Sciences, Quzhou, P. R. China
| | - Weijun Zhou
- Institute of Crop Science and, Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou, P. R. China
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Hasan MMU, Ma F, Islam F, Sajid M, Prodhan ZH, Li F, Shen H, Chen Y, Wang X. Comparative Transcriptomic Analysis of Biological Process and Key Pathway in Three Cotton ( Gossypium spp.) Species Under Drought Stress. Int J Mol Sci 2019; 20:E2076. [PMID: 31035558 PMCID: PMC6539811 DOI: 10.3390/ijms20092076] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 04/19/2019] [Accepted: 04/24/2019] [Indexed: 01/16/2023] Open
Abstract
Drought is one of the most important abiotic stresses that seriously affects cotton growth, development, and production worldwide. However, the molecular mechanism, key pathway, and responsible genes for drought tolerance incotton have not been stated clearly. In this research, high-throughput next generation sequencing technique was utilized to investigate gene expression profiles of three cotton species (Gossypium hirsutum, Gossypium arboreum, and Gossypium barbadense L.) under drought stress. A total of 6968 differentially expressed genes (DEGs) were identified, where 2053, 742, and 4173 genes were tested as statistically significant; 648, 320, and 1998 genes were up-regulated, and 1405, 422, and 2175 were down-regulated in TM-1, Zhongmian-16, and Pima4-S, respectively. Total DEGs were annotated and classified into functional groups under gene ontology analysis. The biological process was present only in tolerant species(TM-1), indicating drought tolerance condition. The Kyoto encyclopedia of genes and genomes showed the involvement of plant hormone signal transduction and metabolic pathways enrichment under drought stress. Several transcription factors associated with ethylene-responsive genes (ICE1, MYB44, FAMA, etc.) were identified as playing key roles in acclimatizing to drought stress. Drought also caused significant changes in the expression of certain functional genes linked to abscisic acid (ABA) responses (NCED, PYL, PP2C, and SRK2E), reactive oxygen species (ROS) related in small heat shock protein and 18.1 kDa I heat shock protein, YLS3, and ODORANT1 genes. These results will provide deeper insights into the molecular mechanisms of drought stress adaptation in cotton.
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Affiliation(s)
- Md Mosfeq-Ul Hasan
- Institute of Crop Science, College of Agriculture and Biotechnology, Zijingang Campus, Zhejiang University, Hangzhou 310058, China.
- Examination Controller Section, Hajee Mohammad Danesh Science and Technology University, Dinajpur 5200, Bangladesh.
| | - Fanglu Ma
- Institute of Crop Science, College of Agriculture and Biotechnology, Zijingang Campus, Zhejiang University, Hangzhou 310058, China.
| | - Faisal Islam
- Institute of Crop Science, College of Agriculture and Biotechnology, Zijingang Campus, Zhejiang University, Hangzhou 310058, China.
| | - Muhammad Sajid
- Institute of Crop Science, College of Agriculture and Biotechnology, Zijingang Campus, Zhejiang University, Hangzhou 310058, China.
| | - Zakaria H Prodhan
- Institute of Crop Science, College of Agriculture and Biotechnology, Zijingang Campus, Zhejiang University, Hangzhou 310058, China.
| | - Feng Li
- Institute of Crop Science, College of Agriculture and Biotechnology, Zijingang Campus, Zhejiang University, Hangzhou 310058, China.
| | - Hao Shen
- Institute of Crop Science, College of Agriculture and Biotechnology, Zijingang Campus, Zhejiang University, Hangzhou 310058, China.
| | - Yadong Chen
- Institute of Crop Science, College of Agriculture and Biotechnology, Zijingang Campus, Zhejiang University, Hangzhou 310058, China.
| | - Xuede Wang
- Institute of Crop Science, College of Agriculture and Biotechnology, Zijingang Campus, Zhejiang University, Hangzhou 310058, China.
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Li L, Long M, Islam F, Farooq MA, Wang J, Mwamba TM, Shou J, Zhou W. Synergistic effects of chromium and copper on photosynthetic inhibition, subcellular distribution, and related gene expression in Brassica napus cultivars. Environ Sci Pollut Res Int 2019; 26:11827-11845. [PMID: 30820917 DOI: 10.1007/s11356-019-04450-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Accepted: 01/31/2019] [Indexed: 06/09/2023]
Abstract
Nowadays, modern plant physiology focuses on complex behavior of metal co-contaminants in agrosystems. Keeping this in view, the current study was conducted to investigate the response of two Brassica napus cultivars (Zheda 622 and ZS 758) under co-contamination of copper (Cu2+) and chromium (Cr6+) to observe their effects on plant growth, photosynthetic parameters, and subcellular distribution of these metals in leaves and roots. The results showed that exposure to Cu and Cr causes decline in plant growth, including biomass and plant height. Significant decrease in pigment concentration and the photosynthetic activity [photosynthetic rate (Pn), stomatal conductance (Gs), and transpiration rate (E), maximal quantum yield of photosystem II (Fv/Fm)] in leaves was also observed. Results of subcellular distribution of metals showed that Cu and Cr were predominantly distributed in cell wall and soluble fraction of roots and leaves. Moreover, Cu and Cr in cellular fractions showed a synergistic accumulation pattern under combined metal stress treatment. Both cultivars showed increased levels of reactive oxygen species (ROS), i.e., hydrogen peroxide (H2O2) and superoxide radical (O2•-), and significant modulation in the activities of antioxidant enzymes [superoxide dismutase (SOD), catalase (CAT), peroxidase (POD), ascorbate peroxidase (APX)] under Cu/Cr alone or their combined treatments. Similarly, expression levels of defense-related genes, such as BnCat, BnApx, BnPrx, and BnSod, were also generally up-regulated compared with control. Electron micrographs (TEM) of the mesophyll and root tip cells indicated prominent alterations both in cellular and organelle levels. Additionally, Cr was found to be more toxic than Cu but less than their combined effect, as revealed by enhanced production of oxidative stress and a reduction in biomass production and photosynthetic activity. The present results also suggest that cultivar ZS 758 is more resistant to Cu/Cr than Zheda 622, due to better adapted metabolism and maintenance of structural integrity under metal stress.
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Affiliation(s)
- Lan Li
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Key Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058, China
| | - Meijuan Long
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Key Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058, China
| | - Faisal Islam
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Key Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058, China
| | - Muhammad A Farooq
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Key Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058, China
| | - Jian Wang
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Key Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058, China
| | - Theodore M Mwamba
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Key Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058, China
| | - Jianyao Shou
- Zhuji Municipal Agro-Tech Extension Center, Zhuji, 311800, China.
| | - Weijun Zhou
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Key Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058, China.
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Adak M, Aditya TL, Adnan M, Ahmad S, Ahmed M, Akram R, Alam M, Hossain MA, Alharby HF, Ali MA, Ali M, Ali S, Amanullah, Amin A, Amitha Mithra S, Anee TI, Ansar Ali M, Arif M, Arif MS, Ashraf MA, Bakhat HF, Banerjee A, Bararpour T, Basir A, Bhandari H, Bhuiyan TF, Biswas JC, Biswas JK, Biswas PS, Borgohain D, Bukhari SA, Chakraborty K, Chattopadhyay K, Chaturvedi V, Choudhury S, Datir S, De AK, Dubey RS, Fahad S, Fahimirad S, Farooq MA, Fujita M, Ghorbanpour M, Ghosh A, Gill RA, Gupta M, Gupta P, Gupta S, Hakeem KR, Halder T, Hammad HM, Hannan F, Hasanuzzaman M, Hasnu S, Hassan S, Hidayatullah, Hu L, Huang J, Hussain I, Hussain S, Hussain S, Iftekharuddaula K, Ihsan MZ, Ihtisham M, Ijaz M, Ijaz M, Iqbal M, Islam F, Ismail A, Jamal Y, Jan A, Jan M, Jan T, Jini D, Joseph B, Kabir MS, Kadir NA, Kaleem S, Kalita J, Kamran M, Kasajima I, Kaur G, Kaur N, Khan IA, Khan MH, Khan MJ, Khan MA, Khan SU, Khare T, Khatun H, Korres NE, Kumar N, Kumar V, Lahkar L, Lam SS, Li L, Li M, Long M, Ma NL, Mahalder BK, Mahmood R, Mahmood-ur-Rahman, Malik K, Mallick S, Maqbool MM, Masood N, Mian IA, Mohammed AR, Morita S, Mubarik MS, Mubeen M, Mwamba TM, Nahar K, Naher U, Nasim W, Nessa B, Niazi NK, Noor M, Nordin MMA, Nyong’a TM, Panda D, Panda SK, Pandey P, Panthri M, Pareek A, Parmar B, Pati PK, Pradhan AK, Prakash C, Price AJ, Qamar S, Rahman IU, Rahman MS, Rasheed R, Rashid MM, Rasool A, Rasul F, Ray S, Rehman A, Riaz M, Rizwan M, Roychoudhury A, Roychowdhury R, Saha I, Salam MU, Saleem I, Sandhu N, Sarkar B, Sarkar MAR, Sarkar R, Saud S, Sevanthi AM, Shah K, Shah Z, Shahzad B, Shahzad SM, Shakoor MB, Shalahuddin A, Shandilya ZM, Shanmugavadivel P, Shriram V, Sihag MK, Singh V, Singla-Pareek SL, Slaton NA, Sultana SR, Tan SH, Tanti B, Tanveer M, Tarpley L, Turan V, Ullah H, Upadhyaya H, ur Rahman MH, Varanasi VK, Wahid F, Wan G, Wang D, Wang J, Wu C, Xu L, Yadav C, Yang C, Yang P, Yasmeen R, Yasmeen T, Zhou W. List of Contributors. Advances in Rice Research for Abiotic Stress Tolerance 2019:xxix-xli. [DOI: 10.1016/b978-0-12-814332-2.00053-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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Hossain MS, Islam MR, Ferdous MA, Trisha AA, Rahman MM, Islam F. Effect of dairy milk, eggs, meat, fish and fruits intake on academic performances of secondary school students in Bangladesh. Bangladesh J Med Sci 2018. [DOI: 10.3329/bjms.v17i3.36989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Background: Contribution of dairy milk and other food items and schools to academic performances of students are the important factors to build a peaceful meritorious nation with sound mental and physical health.Objective: This experiment was designed to study the contribution of dairy milk and other food item intake pattern and schools to academic performances.Method: Students of class nine in Bangladesh were enumerated using a preprescribed questionnaire during March 2016 to June 2016 by direct interview method. Collected primary data were analyzed using the Statistical Package for the Social Sciences version 14.015.Results: Male (69.63%) students and students of schools in the town (84.97%) performed better. Majority of the students in towns (46.85%; 49.65%) and villages (45.51%; 50.90%) drank dairy milk and ate meat respectively, once or twice in a week. Many students in towns (30.77%) and villages (38.92%) ate eggs for 3 to 4 days in a week. Maximum students in town (53.50%) and in village (46.71%) took fish for 5 to 7 days and 3 to 4 days in a week, respectively. Many students in town (39.86%) and in village (59.88%) took fruits 1 to 2 days and 5 to 7 days in a week, respectively. Most (74.31%) of the students who took dairy milk, meat (73.68%), fruits (66.67%), fish (65.81%) and eggs (64.71%) everyday in a week obtained A grade.Conclusions: Schools, availability of dairy milk, meat, fruits, fish and eggs, Tiffin intake status and gender affected the academic performances but educational institutions had no effect on weekly dairy milk, eggs and meat intake of the students but weekly fish and fruits intake status were affected.Bangladesh Journal of Medical Science Vol.17(3) 2018 p.355-359
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