Article
Immunology
Lochana Kovale, Yogesh S. Nimonkar, Stefan J. Green, Yogesh S. Shouche, Om Prakash
Summary: The study found significant differences in antibiotic susceptibility of some facultative anaerobic bacteria under aerobic and anaerobic conditions. Therefore, successful antibiotic therapy for host-associated pathogens requires proper assessment of oxygen conditions and MIC testing under both aerobic and anaerobic conditions.
MICROBES AND INFECTION
(2021)
Review
Cell Biology
Antonin C. Andre, Lorine Debande, Benoit S. Marteyn
Summary: Bacteria are generally classified into aerobic and anaerobic based on their ability to survive with or without oxygen. Facultative anaerobes have unique advantages as they can grow in both oxygen-rich and oxygen-poor environments. They play a crucial role in infectious diseases and have evolved various strategies to adapt to changing oxygen levels within infected cells.
CELLULAR MICROBIOLOGY
(2021)
Article
Entomology
Qingjie Cao, Yu Zhao, Tuuli-Marjaana Koski, Huiping Li, Jianghua Sun
Summary: This study found that changes in gut pH can affect the composition of gut microbiota and pheromone production in bark beetles, potentially influencing their host colonization behavior.
Article
Entomology
Qingjie Cao, Tuuli-Marjaana Koski, Huiping Li, Chi Zhang, Jianghua Sun
Summary: This study reveals the key role of aldehyde dehydrogenase (ALDH1) in the production of verbenone, a pheromone in the Red Turpentine Beetle (Denroctonus valens). The findings provide mechanistic evidence of bacterially mediated pheromone production and offer new perspectives for functional studies of gut bacteria in general.
Article
Microbiology
Swati Samal, Swayamsidha Pati, Swati Mohapatra, Sudipta Maity, Ksheerabdhi Tanaya, Deepika Devadarshini, Deviprasad Samantaray
Summary: PHAs are bio-polyesters synthesized by different aerobic and anaerobic bacteria. Among them, Bacillus cereus FM5, a facultative anaerobic PHAs producer, was found to have higher cell biomass production in mineral salt medium containing glucose and peptone. Under optimized conditions, FM5 produced 0.89 and 1.5 g l(-1) of PHAs through submerged and solid-state fermentation in anoxic condition. This study contributes to the further research of biopolymers.
ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY
(2023)
Article
Geochemistry & Geophysics
Elias Niyuhire, Chexin Zhou, Bingbing Hu, Qizheng Cai, Songhu Yuan
Summary: The photo-irradiation of natural organic matter is a well-known pathway for the production of ·OH in surface waters. This study demonstrates that the presence of naturally occurring reduced species, sulfide, in environments containing natural organic matter contributes to ·OH production even under dark conditions. The concentration of sulfide has a more significant impact on ·OH production than the concentration of humic acid, and the interaction between sulfide and humic acid results in the formation of redox-active moieties responsible for ·OH production.
Article
Electrochemistry
Eduardo S. F. Cardoso, Guilherme V. Fortunato, Clauber D. Rodrigues, Fausto E. B. Junior, Marc Ledendecker, Marcos R. V. Lanza, Gilberto Maia
Summary: This study aims to unravel the intricate interplay between edge defects, oxygenated groups inherited from the multi-walled carbon nanotubes (MWCNTs) opening process, and their collective influence on the doping process and electrocatalytic properties of graphene nanoribbons (GNRs). We highlight the critical role played by the choice of MWCNT opening methods, which significantly impact GNR characteristics, subsequently influencing ORR performance and H2O2 selectivity.
Article
Environmental Sciences
Scott J. J. St Romain, Laura M. Basirico, Yong-Ha Kim, Emily Vebrosky Nolan, Wei Xu, Kevin L. Armbrust
Summary: This study investigated the influence of salinity on the photodegradation of anthracene and anthraquinone, and found that salinity enhances the persistence of anthraquinone and alters its product formation, including the generation of the suspected carcinogen 1-hydroxyanthraquinone. This is mainly due to the scavenging effect of chloride and bromide ions in seawater, which removes reactive oxygen species. These findings emphasize the importance of considering the effects of salinity on the degradation of organic contaminants, as it can significantly impact chemical exposure times and potential toxic effects on estuarine/marine organisms.
ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY
(2023)
Article
Entomology
Zhu-Dong Liu, Guo-Bing Mi, Kenneth F. Raffa, Jiang-Hua Sun
Article
Entomology
Zhu-Dong Liu, Jacob D. Wickham, Jiang-Hua Sun
Summary: Intrasexual selection in D. valens bark beetles involves male-male competition over females, with larger males usually winning. Experiments showed that larger males won the majority of contests, and there was a correlation between body size and aggressive behaviors such as sound-emitting.
Article
Entomology
Jie Meng, Jacob D. Wickham, Wanlan Ren, Lilin Zhao, Jianghua Sun
JOURNAL OF PEST SCIENCE
(2020)
Article
Biochemistry & Molecular Biology
Wei Zhang, Haiying Yu, Yunxue Lv, Kathryn E. Bushley, Jacob D. Wickham, Shenghan Gao, Songnian Hu, Lilin Zhao, Jianghua Sun
Article
Entomology
Chi Zhang, Jacob D. Wickham, Lilin Zhao, Jianghua Sun
Summary: The pinewood nematodes only introduce a few bacteria to its vector beetle when dispersed, showing weak binding ability especially with Serratia marcescens, which can be detrimental to the beetle. The pattern-recognition receptor MaGal2 in the vector beetle is up-regulated after loading with the nematodes and forms aggregates with associated bacteria. This study reveals a previously unknown immune evasion strategy of the plant pathogen inside its vector and sheds new light on the role of bacteria in parasite-host interactions.
Article
Zoology
Meiping Zhao, Jacob D. Wickham, Lilin Zhao, Jianghua Sun
Summary: Pheromones play a role in regulating reproductive plasticity in pinewood nematodes, influencing fecundity in both invasive and native strains. The major pheromone component asc-C5 is identified as a key player in this process, providing new insights into the reproductive strategies of invasive species.
INTEGRATIVE ZOOLOGY
(2021)
Article
Behavioral Sciences
Zhudong Liu, Lingling Deng, Shichang Wang, Xiudeng Zheng, Marcel Holyoak, Jacob D. Wickham, Yi Tao, Jianghua Sun
Summary: Risk plays a role in mediating the level of cooperation in parasitoid wasps, with higher mortality risks leading to more cooperation and lower risks leading to more frequent free riding. This study provides an experimental demonstration of risk-driven cooperation in parasitoids.
Article
Entomology
Jacob D. Wickham, Rhett D. Harrison, Wen Lu, Yi Chen, Lawrence M. Hanks, Jocelyn G. Millar
Summary: The Cerambycidae family is diverse and ecologically important, with long-lived larvae of concern as invasive species. Advances in cerambycid pheromone chemistry have led to the development of multispecies lures. This study showed the potential for using generic lures to detect and monitor cerambycid populations, with trap height, slope, elevation, and leaf-area index being important determinants of distribution. Further research is needed to refine lure blends and understand temporal and spatial dynamics of cerambycid communities.
Article
Environmental Sciences
A. A. Khan, U. Umar, S. Ejaz, H. Riaz, M. Batool, T. Chen, F. Ahmad, Q. Saeed
Summary: This study found that a significant quantity of wheat is lost during storage due to insect and fungal pest complexes. The study also identified Sitotroga cerealella as an important factor in propagating mycotoxic fungi. The prevalence of Aspergillus flavus was higher when S. cerealella co-infested the grain with fungal species. Additionally, the study found that adult moths were attracted to fungal contaminated seeds. Further investigation is suggested to understand the chemical basis of the mutualistic association between A. flavus and S. cerealella for efficient management of grain losses.
INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY
(2023)
Article
Chemistry, Multidisciplinary
Yajing Wu, Jiao Zhou, Yaning Liu, Yutong Gu, Hongxia Zhang, Faheem Ahmad, Guochang Wang, Lili Ren
Summary: Quantitative reverse transcription polymerase chain reaction (qRT-PCR) is a powerful technique for studying gene expression, but it is important to use stable reference genes under different experimental conditions. In this study, we analyzed the stability of eight candidate reference genes in the pine wood nematode (PWN) across different temperature and developmental stages. We confirmed the stability of two genes and found that EF1 gamma was the most stable gene under different conditions.
APPLIED SCIENCES-BASEL
(2022)
Article
Entomology
Qamar Saeed, Waqas Amir, Muazzama Batool, Fahed Parvaiz, Ting Chen, Faheem Ahmad
Summary: The infestation of Sitophilus oryzae leads to a decrease in the nutritional and commercial value of stored grains. This study proposes the combination of diatomaceous earth with conventional and novel insecticides for environmentally safe pest management of S. oryzae.
INTERNATIONAL JOURNAL OF PEST MANAGEMENT
(2022)
Article
Genetics & Heredity
Jundan Deng, Weikang Xu, Guochang Lv, Hang Yuan, Qing-He Zhang, Jacob D. Wickham, Letian Xu, Longwa Zhang
Summary: This study highlights the importance of insect-associated bacteria in the interaction between pest insects and entomopathogenic fungi, which can impact the toxicity of the fungi and the efficacy of biological control.
ENVIRONMENTAL MICROBIOME
(2022)
Article
Entomology
Qamar Saeed, Faheem Ahmad, Numan Yousaf, Haider Ali, Syed Azhar Ali Shah Tirmazi, Abdulrahman Alshammari, Naeema Kausar, Mahmood Ahmed, Muhammad Imran, Muhammad Jamshed, Metab Alharbi, Muhammad Muddassar
Summary: The cotton bollworm is a significant pest that causes damage to crops and vegetables. Traditional chemical pesticides cannot effectively control this pest due to its high fertility and short generation time. Researchers have discovered small molecules that disrupt insect molting, reducing the weight accumulations and fertility of cotton bollworm. Additionally, by inhibiting the function of sterol carrier protein, the life table parameters of cotton bollworm can be significantly reduced. These findings provide important insights for developing effective and sustainable chemical treatments.
Article
Veterinary Sciences
Sadia Liaqat, Mazhar Qayyum, Figen Celik, Sami Simsek, Faheem Ahmad, Xiaocheng Zhang, Haroon Ahmed, Jianping Cao
Summary: This study aimed to identify the best diagnostic method for the early detection of goat warble fly infestation (GWFI) by comparing three enzyme-linked immunosorbent assay (ELISA) methods. The results showed that the indirect ELISA with the crude antigen of P. silenus was more sensitive and accurate. This method can accurately detect the prevalence of GWFI in goats in the Punjab region.
VETERINARY SCIENCES
(2023)
Article
Multidisciplinary Sciences
Zishu Dong, Fugen Dou, Yubin Yang, Jacob D. Wickham, Rong Tang, Yujing Zhang, Zongyou Huang, Xialin Zheng, Xiaoyun Wang, Wen Lu