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A quick, easy and non‐intrusive method for underwater volume and surface area evaluation of benthic organisms by 3D computer modelling
It is found that in situ volume and SA measurements created by 3D modelling enable easy, fast and non-intrusive studies of benthic aquatic organisms, without removing the subject organisms from their habitat, thus enabling continuous study of natural growth over extended time periods.
Clades of huge phages from across Earth’s ecosystems
Genomic analyses of major clades of huge phages sampled from across Earth’s ecosystems show that they have diverse genetic inventories, including a variety of CRISPR–Cas systems and translation-relevant genes.
Expanded diversity of microbial groups that shape the dissimilatory sulfur cycle
It is concluded that current functional predictions based on phylogeny significantly underestimate the extent of sulfate/sulfite reduction across Earth’s ecosystems.
Consistent Metagenome-Derived Metrics Verify and Delineate Bacterial Species Boundaries
- Matthew R. Olm, A. Crits-Christoph, Spencer Diamond, Adi Lavy, P. M. Matheus Carnevali, J. Banfield
- 24 May 2019
The results verify the existence of sequence-discrete microbial species in metagenome-derived genomes and highlight the usefulness of ribosomal genes for gene-level species discrimination.
Implementing sponge physiological and genomic information to enhance the diversity of its culturable associated bacteria.
- Adi Lavy, Ray Keren, M. Haber, Inbar Schwartz, M. Ilan
- BiologyFEMS microbiology ecology
- 1 February 2014
Designing culturing conditions to fit the metabolic needs of major bacterial taxa present in the sponge, through a combined use of diverse culture media compositions with aerobic and microaerophilic states, and addition of antibiotics, yielded higher diversity of the cultured bacteria and led to the isolation of novel sponge-associated and sponge-specific bacteria.
Sponge-associated bacteria mineralize arsenic and barium on intracellular vesicles
It is shown that a single sponge symbiotic bacterium, Entotheonella sp.
Metagenomic recovery of two distinct comammox Nitrospira from the terrestrial subsurface
Genomic comparison revealed high conservation of key metabolic features in sublineage II Nitrospira, including respiratory complexes I–V and the machineries for nitrite oxidation and carbon fixation via the reductive tricarboxylic acid cycle, suggesting a broader distribution of these metabolic features than previously anticipated.
Single-bacterial genomics validates rich and varied specialized metabolism of uncultivated Entotheonella sponge symbionts
- Tetsushi Mori, J. Cahn, J. Piel
- BiologyProceedings of the National Academy of Sciences
- 8 February 2018
Significance Uncultivated bacteria are hypothesized to represent a large resource of new bioactive natural products and biosynthetic enzymes. Previous work identified uncultivated “Entotheonella”…
Involvement of Host Stroma Cells and Tissue Fibrosis in Pancreatic Tumor Development in Transgenic Mice
- I. Spector, Y. Zilberstein, Adi Lavy, A. Nagler, O. Genin, M. Pines
- Biology, MedicinePloS one
- 25 July 2012
The utmost importance of tissue fibrosis and of stroma cells for tumor development presents potential new therapy targets, suggesting combination therapy against stroma and neoplastic cells as a treatment of choice.
A novel Chromatiales bacterium is a potential sulfide oxidizer in multiple orders of marine sponges
The genome of a Chromatiales (class Gammaproteobacteria) bacterium is reconstructed from a metagenomic sequence dataset of a T. swinhoei-associated microbial community and has the metabolic capability to oxidize sulfide yet displays reduced metabolic potential suggestive of its lifestyle as an obligatory symbiont.