Article
Environmental Sciences
Adam Kubaczynski, Anna Walkiewicz, Anna Pytlak, Anna Galazka, Malgorzata Brzezinska, Jaroslaw Grzadziel
Summary: The amount of biochar used in Haplic Luvisol affects methane uptake and the abundance of methanotrophs.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Environmental Sciences
Le Qi, Zilong Ma, Scott X. Chang, Peng Zhou, Rong Huang, Yingyan Wang, Zifang Wang, Ming Gao
Summary: The addition of biochar can reduce methane emissions from paddy soils by reducing the abundance of methanogenic archaea.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Environmental Sciences
Chen Xu, Susu Shen, Beibei Zhou, Yuanyuan Feng, Zhu He, Linlin Shi, Yu Wang, Haihou Wang, Tripti Mishra, Lihong Xue
Summary: Long-term non-P application in rice paddy fields significantly increases methane emissions and affects the abundance and diversity of methane-producing microorganisms. A study conducted in the Tai Lake region showed that appropriate phosphorus application can reduce methane emissions while ensuring crop yield.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Microbiology
Gaetan Martin, Antti J. Rissanen, Sarahi L. Garcia, Maliheh Mehrshad, Moritz Buck, Sari Peura
Summary: Boreal lakes and ponds play a significant role in methane emissions, regulated by methane-oxidizing bacteria. The study revealed that gammaproteobacterial methanotrophs dominate, while alphaproteobacterial methanotrophs may be more abundant in low CH4 environments. Additionally, anaerobic methanotrophs may be active even in oxygenated layers.
FRONTIERS IN MICROBIOLOGY
(2021)
Article
Microbiology
Christina S. Kang-Yun, Jin Chang, Jeremy D. Semrau
Summary: In this study, the genome of Methylocystis sp. strain SB2, isolated from a spring bog in southeast Michigan, was sequenced using long-read sequencing technology, leading to the complete assembly of the genome in a single contig.
MICROBIOLOGY RESOURCE ANNOUNCEMENTS
(2022)
Article
Microbiology
Julie Scanlan, Richard Guillonneau, Mark R. Cunningham, Sahanara Najmin, Michaela A. Mausz, Andrew Murphy, Leanne L. Murray, Limei Zhang, Deepak Kumaresan, Yin Chen
Summary: Methane is a potent greenhouse gas in the atmosphere, and its concentration has continued to increase steadily in recent decades. Methanotrophs, bacteria that help mitigate methane emissions in the natural environment, can modify their membrane in response to phosphorus limitation, which is important for their activity. Genome and metatranscriptome analyses suggest that this adaptation strategy is conserved in all proteobacterial methanotrophs and is used by these bacteria in the natural environment. This study provides new insights into the role of phosphorus in methane oxidation.
Article
Multidisciplinary Sciences
Patrick Schultheiss, Sabine S. Nooten, Runxi Wang, Mark K. L. Wong, Francois Brassard, Benoit Guenard
Summary: Knowledge on the distribution and abundance of organisms is essential. However, there is currently a lack of such knowledge for insects, particularly ants. This study provides an empirical estimate of global ant abundance based on 489 studies, highlighting their significant role in terrestrial ecosystems and the gaps in our knowledge.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2022)
Article
Environmental Sciences
Feng Wang, Zhongping Lai, Guyu Peng, Lan Luo, Kai Liu, Xianmei Huang, Yantian Xu, Qinjing Shen, Daoji Li
Summary: The study found that the amount of microplastics in the Badain Jaran Desert is relatively high, mainly originating from populated areas southeast of the desert and transported long distances through atmospheric deposition. The tourism zone of the desert had a higher concentration of microplastics compared to the non-tourism zone, suggesting a potential contribution from tourism activities.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Ecology
Alberto Jimenez-Valverde, Pedro Aragon, Jorge M. Lobo
Summary: Estimating local suitability with species distribution models (SDMs) can indicate the maximum abundance attainable by species, but the abundance-suitability relationship is typically wedge-shaped. The shape of this relationship is directly related to maximum abundance and is influenced by SDM quality and species prevalence.
GLOBAL ECOLOGY AND BIOGEOGRAPHY
(2021)
Article
Entomology
Hongran Li, Zhihui Jiang, Jincheng Zhou, Xin Liu, Youjun Zhang, Dong Chu
Summary: The study determined eight cryptic species in China and found that their distribution is related to geographical and environmental factors. It also found that the infection patterns of the whitefly and its endosymbionts are closely associated with ecological factors. This highlights the need to study the expansion of invasive species and host-endosymbiont interactions within an environmental and geographic context.
Article
Ecology
Christa M. Szumski, James D. Roth, Dennis L. Murray
Summary: This study used stable isotope analysis to show that Canada lynx primarily feed on snowshoe hares in all regions, but will switch to alternate prey when hare availability is low. These findings support the facultative specialist hypothesis, suggesting that specialist predators expand their diets when preferred prey are limited.
Review
Biodiversity Conservation
Conor Waldock, Rick D. Stuart-Smith, Camille Albouy, William W. L. Cheung, Graham J. Edgar, David Mouillot, Jerry Tjiputra, Loic Pellissier
Summary: The contributions of species to ecosystem functions or services depend on their presence and local abundance, but current predictive spatial models focus more on species occurrence rather than abundance. The study found significant variation in the performance of abundance-based models, with random forests providing the best predictions in certain scenarios.
Article
Multidisciplinary Sciences
Anastasia C. Manesis, Richard J. Jodts, Brian M. Hoffman, Amy C. Rosenzweig
Summary: Some methane-oxidizing bacteria use the natural product methanobactin (Mbn) to acquire copper for their metabolic enzyme, particulate methane monooxygenase. The protein pair MbnH and MbnP are involved in copper homeostasis, but their structure and function remain unclear. The MbnP protein binds a single copper ion with high affinity, dependent on oxidation of a conserved tryptophan to kynurenine through interaction with MbnH.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2021)
Review
Environmental Sciences
Myung Hwangbo, Yiru Shao, Paul B. Hatzinger, Kung-Hui Chu
Summary: Methanotrophs found in acidic environments play a vital role in controlling the release of atmospheric methane and in the biodegradation and bioremediation of pollutants. They utilize methane as a carbon and energy source and can degrade chlorinated volatile organic compounds under low pH conditions. This paper provides an overview of the occurrence, diversity, and physiological activities of these methanotrophs, highlighting their potential applications in contaminant biodegradation and bioremediation.
ENVIRONMENTAL MICROBIOLOGY REPORTS
(2023)
Article
Chemistry, Multidisciplinary
Diep Ngoc Pham, Anh Duc Nguyen, So Hyeon Oh, Eun Yeol Lee
Summary: In this study, metabolic engineering was used for the first time to produce indigo and alpha-farnesene from methane. By addressing the bottlenecks in the shikimate and MEP pathways, the production of indigo and alpha-farnesene was significantly enhanced. The use of xylose as a co-substrate restored the impaired growth of recombinants. This work provides potential approaches to improve natural compound production from renewable carbon sources.
Review
Biochemistry & Molecular Biology
Asadur Rahman, Nourin Jahan, Md Tanvir Rahman, Akira Nishiyama
Summary: Inappropriate mineralocorticoid receptor (MR) activation in cardiovascular cells has negative effects on cardiac remodeling and function. MR inhibition is an important strategy to overcome cardiovascular dysfunction, but the clinical application of steroidal MR antagonists is limited due to adverse effects. Newer non-steroidal MR antagonists show promise for clinical use, particularly in patients with type 2 diabetes and chronic kidney disease. Pre-clinical and clinical evidence supports the use of non-steroidal MR antagonists in treating cardiovascular disease.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Food Science & Technology
Wohab Ali, Kishor Sosmith Utsho, Susmita Karmakar, Nazmul Hoque, Tanvir Rahman, Jayedul Hassan
Summary: This study investigated the prevalence and characteristics of colistin-resistant Escherichia coli (CREC) in broiler meat in Bangladesh. It found that 55.77% of the meat samples were positive for CREC, with 91.38% of the isolates carrying the mcr-1 gene. These CREC isolates were multidrug-resistant and had minimum inhibitory concentrations of 4-8μg/mL for colistin sulfate. Whole genome sequencing revealed that one of the isolates belonged to a potentially pathogenic strain with multiple virulence factor genes.
INTERNATIONAL JOURNAL OF FOOD MICROBIOLOGY
(2023)
Review
Immunology
Md. Saiful Islam, Md. Tanvir Rahman
Summary: Bacterial vaccines are crucial in combating antimicrobial resistance in poultry, as the overuse and misuse of antibiotics have led to the development of AMR. These vaccines provide an alternative method for controlling bacterial diseases in poultry, reducing antibiotic usage and improving animal welfare. While there are advantages to using bacterial vaccines, including reduced antibiotic use and increased profitability, there are also limitations such as vaccine efficacy and availability. However, with advancements in genetic engineering and vaccine formulation, bacterial vaccines have promising future prospects in improving the sustainability of the poultry industry.
Article
Infectious Diseases
Tarana Ahmed, Md. Saiful Islam, Najmul Haider, Linzy Elton, Badrul Hasan, Mohammad Nuruzzaman, Md. Tanvir Rahman, S. M. Lutful Kabir, Md. Shahidur Rahman Khan
Summary: This study detected multidrug-resistant Citrobacter freundii in domestic ducks in Bangladesh and determined their phenotypic and genotypic antibiotic susceptibility patterns. Various resistance genes to different classes of antibiotics were detected in the isolated C. freundii.
Review
Public, Environmental & Occupational Health
Md. Saiful Islam, A. M. M. Taufiquer Rahman, Jayedul Hassan, Md. Tanvir Rahman
Summary: This systematic review and meta-analysis revealed a high prevalence of ESBL-producing E. coli in humans, animals, and environments in Bangladesh, as well as a wide range of resistance genes and epidemiologically important clones. The study highlights the importance of implementing comprehensive antimicrobial resistance surveillance using a One Health perspective to mitigate the consequences of AMR in Bangladesh.
Article
Infectious Diseases
Xiao-Xi Zhang, Xin-Chen Li, Qi-Yu Zhang, Jing-Shu Liu, Le-Fei Han, Zohar Lederman, Janna M. Schurer, Patricia Poeta, Md. Tanvir Rahman, Shi-Zhu Li, Kokouvi Kassegne, Kun Yin, Yong-Zhang Zhu, Shang Xia, Lu He, Qin-Qin Hu, Le-Shan Xiu, Jing-Bo Xue, Han-Qing Zhao, Xi-Han Wang, Logan Wu, Xiao-Kui Guo, Zhao-Jun Wang, Bernhard Schwartlaender, Ming-Hui Ren, Xiao-Nong Zhou
Summary: The proposed academic community for One Health action aims to promote the understanding and implementation of the One Health approach and contribute to the Sustainable Development Goals. It will generate scientific evidence, foster a One Health culture and mindset, and provide research support and capacity building.
INFECTIOUS DISEASES OF POVERTY
(2023)
Article
Agriculture, Dairy & Animal Science
Farhana Binte Ferdous, Md. Saiful Islam, Md. Ashek Ullah, Md. Liton Rana, Sadia Afrin Punom, Fahim Haque Neloy, Mohammad Nizam Uddin Chowdhury, Jayedul Hassan, Mahbubul Pratik Siddique, Sukumar Saha, Md. Tanvir Rahman
Summary: This study investigated the prevalence of antimicrobial resistance, virulence factors, and biofilm formation in enterococci found in rhesus macaques in Bangladesh. The results showed that the enterococci isolates exhibited resistance to multiple antibiotics and carried various virulence genes. The findings highlight the potential threat of enterococci in rhesus macaques and their potential transmission to other wildlife species and humans in Bangladesh.
Article
Microbiology
Md. Ashek Ullah, Md. Saiful Islam, Md. Liton Rana, Farhana Binte Ferdous, Fahim Haque Neloy, Zannatul Firdous, Jayedul Hassan, Md. Tanvir Rahman
Summary: This study aimed to determine antibiotic resistance profiles and virulence determinants in biofilm-forming Enterococcus faecium isolated from seafood samples in Bangladesh. The results showed that a majority of the isolates exhibited antibiotic resistance and biofilm-forming abilities, with a high prevalence of multiple antibiotic resistance. The detection rate of antibiotic resistance and virulence genes was higher in strong biofilm-forming strains.
Article
Infectious Diseases
Md. Liton Rana, Zannatul Firdous, Farhana Binte Ferdous, Md. Ashek Ullah, Mahbubul Pratik Siddique, Md. Tanvir Rahman
Summary: Fish is an important part of Bengali cuisine and economy, but it can also be a potential source of pathogens. This study investigated the distribution of Enterococcus faecalis in wild and cultivated fish in Bangladesh, finding that wild fish had a higher frequency of virulence genes and biofilm-forming genes, while cultivated fish carried more highly multidrug resistant strains.
Article
Veterinary Sciences
Jayedul Hassan, Md. Abdus Sattar Bag, Md. Wohab Ali, Ajran Kabir, M. Nazmul Hoque, Muhammad Maqsud Hossain, Md. Tanvir Rahman, Md. Shafiqul Islam, Md. Shahidur Rahman Khan
Summary: This study aimed to determine the diversity of Streptococcus spp. isolated from clinical mastitis of cattle in Bangladesh. The results showed that out of 105 samples, 59 samples tested positive for Streptococcus, 18 samples tested positive for Staphylococcus, 10 samples tested positive for Enterococcus faecalis, and 24 samples tested positive for E. coli. Through 16S rRNA sequencing, it was identified that approximately 55.6% of the Streptococcus isolates were Streptococcus uberis, 33.3% were Streptococcus agalactiae, 5.6% were Streptococcus hyovaginalis, and 5.6% were Streptococcus urinalis. Additionally, two novel ST types of S. uberis were identified through whole genome sequencing.
FRONTIERS IN VETERINARY SCIENCE
(2023)
Article
Microbiology
Tasnia Tabassum Anika, Zakaria Al Noman, Md. Saiful Islam, Nazneen Sultana, Md. Nahid Ashraf, Munmun Pervin, Mohammad Ariful Islam, Mokbul Md. Hossain, Md. Tanvir Rahman, Mohammad Abu Hadi Noor Ali Khan
Summary: This study announces the sequence of a multidrug-resistant Escherichia coli strain isolated from bovine subclinical mastitis milk in Bangladesh in 2022. The assembled genome had a length of 4,884,948 bp and contained three plasmids, two CRISPR arrays, five prophages, 51 predicted antibiotic resistance genes, and 72 predicted virulence factor genes.
MICROBIOLOGY RESOURCE ANNOUNCEMENTS
(2023)
Article
Microbiology
Md. Ashek Ullah, Md. Saiful Islam, Md. Liton Rana, Farhana Binte Ferdous, Fahim Haque Neloy, Sadia Afrin Punom, Jayedul Hassan, Md. Tanvir Rahman
Summary: In this study, we sequenced and analyzed a biofilm-forming strain of Enterococcus faecalis BAU_Ef01 isolated from a shrimp in Bangladesh. The whole genome of the strain was 2,862,301 bp long, consisting of 38 contigs with an average G+C content of 37.36%. It had a genome coverage of 80.0x and contained 35 predicted antibiotic resistance and virulence genes each.
MICROBIOLOGY RESOURCE ANNOUNCEMENTS
(2023)
Article
Microbiology
Fatimah Muhammad Ballah, Md. Saiful Islam, Samina Ievy, Farhana Binte Ferdous, Md. Abdus Sobur, A. M. M. Taufiquer Rahman, Marzia Rahman, M. Nazmul Haque, Jayedul Hassan, Md. Tanvir Rahman
Summary: This announcement presents the genome sequence of methicillin-resistant Staphylococcus aureus MTR_V1 strain, which forms biofilms, isolated from a ready-to-eat food sample in Bangladesh. The assembled genome was 2.8 Mb in length, consisting of 27 contigs, two CRISPR arrays, 38 predicted antibiotic resistance genes, and 66 predicted virulence factor genes.
MICROBIOLOGY RESOURCE ANNOUNCEMENTS
(2023)
Article
Microbiology
Tarana Ahmed, Md. Saiful Islam, Mohammad Nuruzzaman, Mohammad Sadekuzzaman, S. M. Lutful Kabir, Md. Tanvir Rahman, Md. Shahidur Rahman Khan
Summary: The genome sequence of Citrobacter portucalensis BAU_133-2 strain isolated from a domestic duck has been announced. The assembled genome showed a length of 4.8 Mb, 110.0x genome coverage, 51.91% average GC content, 1 plasmid, 1 CRISPR array, 8 prophages, 27 antibiotic resistance genes, and 75 virulence factor genes.
MICROBIOLOGY RESOURCE ANNOUNCEMENTS
(2023)
Article
Veterinary Sciences
Jarna Karmoker, Md. Saiful Islam, Md. Liton Rana, Md. Ashek Ullah, Fahim Haque Neloy, Nahian Muniath Oishy, Pritom Kumar Pramanik, Mahbubul Pratik Siddique, Sukumar Saha, Md. Tanvir Rahman
Summary: This study is the first to isolate and determine the occurrence of multidrug-resistant (MDR) Shigella spp. from fecal materials of wild waterfowl and migratory birds in Bangladesh. The findings suggest that these birds are reservoirs of MDR Shigella spp., highlighting the need for antimicrobial resistance monitoring programs to prevent environmental contamination and potential health consequences.
VETERINARY MEDICINE INTERNATIONAL
(2023)
