Volume 95, Issue 5, May 2019

Microbiomes of rice roots and the rhizosphere determine the functioning of paddy ecosystems, improve yields through beneficial interactions with host plants, and are shaped mainly by soil- and plant-related factors.

Current issues and standards with positive and negative controls in microbiome research are discussed.

This review examines the state-of-the-art in research of gene mobility across bacteria in mycospheres and mycorrhizospheres, highlighting the roles of plasmids, phages and genomic islands.

Recent genomic analysis revealed putative reductive dehalogenase genes from extreme subsurface environments that unlike known reductive dehalogenases have membrane integral domains.

This work suggest that for some kleptoplastidic foraminifera, sequestered chloroplasts might provide extra carbon through lipid droplets synthesis and highlight the complex feeding strategy developed for carbon storage and partitioning.

Diversity of photosynthetic picoeukaryotes in eutrophic shallow lakes from Argentina, South America.

Long-term urea fertilization increased ureolytic microbial abundance and changed its diversity and community structure.

Rhizosphere-induced changes in soil microbial community and enzyme activity facilitate forest succession.

Digestive tracts of the marine deposit feeder Hediste diversicolor contain distinct transitory sediment microbial assemblages.

Antimicrobial activity in avian nests.

Long-term organic system shifted the community composition of dominant phyla, increased the relative abundance of Ignavibacteria and Acidobacteria Gp6 and decreased the relative abundance of Nitrosomonas, Bacillus and Paenibacillus.

A Desulfitobacterium sp. strain AusDCA capable of transforming 1,2-DCA to ethene at pH 5.0 has been isolated and characterized.

The abundant species Planktomarina temperata, representing the largest and most prominent subcluster of the Roseobacter group in the marine environment, acquires complementary energy via aerobic anoxygenic photosynthesis and carbon monoxide oxidation.

The T6SS of Rhizobium etliMim1 plays a positive role in symbiosis with beans and is active at high cell densities and in the presence of plant exudates.

An active community of denitrifying and nitrogen-fixing bacteria is associated with differential N₂O soil gas fluxes in high Arctic ice-wedge polygon cryosols.

Correlation network analysis indicated that Fusarium graminearum resistant soils possessed a highly connected and dense network of the bacterial communities which play an important role in restricting the growth of this important plant pathogen.

Rhodobacteria dominated in Akashiwo sanguinea phycosphere, while Flavobacteriaceae increased under iron-limiting and Alteromonadaceae increased under nitrogen-limiting conditions.

Extant microbial communities of Rincon de Parangueo maar crater, Mexico