The endosymbiotic association between legumes and soil bacteria called rhizobia leads to the formation of a new root-derived organ called the nodule in which differentiated bacteria convert atmospheric nitrogen into a form that can be assimilated...
Extracellular vesicles (EVs) are produced by all domains of life. In Gram-negative bacteria, EVs are produced by the pinching off of the outer membrane; however, how EVs escape the thick cell walls of Gram-positive bacteria, mycobacteria and fungi is still unknown. Nonetheless, EVs have been described in a variety of cell-walled organisms, including Staphylococcus aureus, Mycobacterium tuberculosis and Cryptococcus neoformans. These EVs contain varied cargo, including nucleic acids, toxins, lipoproteins and enzymes, and have important roles in microbial physiology and pathogenesis. In this Review, we describe the current status of vesiculogenesis research in thick-walled microorganisms and discuss the cargo and functions associated with EVs in these species.
by Jingfeng Huang, Chen Wei, Yao Zhang, George Alan Blackburn, Xiuzhen Wang, Chuanwen Wei, Jing Wang Passive optical hyperspectral remote sensing of plant pigments offers potential for understanding plant ecophysiological processes across a range...
Publication date: December 2015 Source:Plant Physiology and Biochemistry, Volume 97 Author(s): Nikola Ptáčková, Jitka Klempová, Michal Obořil, Sylvie Nedělová, Jan Lochman, Tomáš Kašparovský Cryptogein, a protein from oomycete...
Ropars et al. report newly discovered horizontally transferred regions, flanked by specific transposable elements that allow cheese-making fungi and food spoilers to grow faster and be better competitors on cheese.
Oomycetes are microorganisms that are distantly related to true fungi and many members of this phylum are major plant pathogens. Oomycetes express proteins that are able to interact with plant cell wall polysaccharides, such as cellulose. This interaction is thought to be mediated by carbohydrate-binding modules that are classified into CBM family 1 in the CAZy database. In this study, the two CBMs (1–1 and 1–2) that form part of the cell wall glycoprotein, CBEL, from Phytophthora parasitica
by Andrey Ptitsyn, Ramzi Temanni, Christelle Bouchard, Peter A. V. Anderson Transcriptomes are one of the first sources of high-throughput genomic data that have benefitted from the introduction of Next-Gen Sequencing.
Thousands of putative biosynthetic genes in Arabidopsis thaliana have no known function, which suggests that there are numerous molecules contributing to plant fitness that have not yet been discovered.
by Peter E. Larsen, Frank R. Collart, Yang Dai The ability to obtain complete genome sequences from bacteria in environmental samples, such as soil samples from the rhizosphere, has highlighted the microbial diversity and complexity of...
by Guanghui Kong, Yao Zhao, Maofeng Jing, Jie Huang, Jin Yang, Yeqiang Xia, Liang Kong, Wenwu Ye, Qin Xiong, Yongli Qiao, Suomeng Dong, Wenbo Ma, Yuanchao Wang Plant pathogens secrete an arsenal of effector proteins to impair host immunity.
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