Small intestinal bacterial overgrowth—pathophysiology and its implications for definition and management

D Bushyhead, EMM Quigley - Gastroenterology, 2022 - Elsevier
The concept of small intestinal bacterial overgrowth (SIBO) arose in the context of
maldigestion and malabsorption among patients with obvious risk factors that permitted the …

Vitamin B12 status in health and disease: a critical review. Diagnosis of deficiency and insufficiency – clinical and laboratory pitfalls

A Sobczyńska-Malefora, E Delvin… - Critical reviews in …, 2021 - Taylor & Francis
Vitamin B12 (cobalamin) is an essential cofactor for two metabolic pathways. It is obtained
principally from food of animal origin. Cobalamin becomes bioavailable through a series of …

Genomic diversity and ecology of human-associated Akkermansia species in the gut microbiome revealed by extensive metagenomic assembly

N Karcher, E Nigro, M Punčochář, A Blanco-Míguez… - Genome biology, 2021 - Springer
Background Akkermansia muciniphila is a human gut microbe with a key role in the
physiology of the intestinal mucus layer and reported associations with decreased body …

[HTML][HTML] Functions of elements in soil microorganisms

M Hemkemeyer, SA Schwalb, S Heinze… - Microbiological …, 2021 - Elsevier
The soil microbial community fulfils various functions, such as nutrient cycling and carbon
(C) sequestration, therefore contributing to maintenance of soil fertility and mitigation of …

Biosynthesis of the modified tetrapyrroles—the pigments of life

DA Bryant, CN Hunter, MJ Warren - Journal of Biological Chemistry, 2020 - ASBMB
Modified tetrapyrroles are large macrocyclic compounds, consisting of diverse conjugation
and metal chelation systems and imparting an array of colors to the biological structures that …

Prokaryotic viruses impact functional microorganisms in nutrient removal and carbon cycle in wastewater treatment plants

Y Chen, Y Wang, D Paez-Espino, MF Polz… - Nature …, 2021 - nature.com
As one of the largest biotechnological applications, activated sludge (AS) systems in
wastewater treatment plants (WWTPs) harbor enormous viruses, with 10-1,000-fold higher …

[HTML][HTML] The requirement for cobalt in vitamin B12: A paradigm for protein metalation

D Osman, A Cooke, TR Young, E Deery… - … et Biophysica Acta (BBA …, 2021 - Elsevier
Vitamin B 12, cobalamin, is a cobalt-containing ring-contracted modified tetrapyrrole that
represents one of the most complex small molecules made by nature. In prokaryotes it is …

Interactive tree of life (iTOL) v3: an online tool for the display and annotation of phylogenetic and other trees

I Letunic, P Bork - Nucleic acids research, 2016 - academic.oup.com
Abstract Interactive Tree Of Life (http://itol. embl. de) is a web-based tool for the display,
manipulation and annotation of phylogenetic trees. It is freely available and open to …

Vitamin biosynthesis by human gut butyrate-producing bacteria and cross-feeding in synthetic microbial communities

EC Soto-Martin, I Warnke, FM Farquharson… - MBio, 2020 - Am Soc Microbiol
We investigated the requirement of 15 human butyrate-producing gut bacterial strains for
eight B vitamins and the proteinogenic amino acids by a combination of genome sequence …

Sharing vitamins: Cobamides unveil microbial interactions

OM Sokolovskaya, AN Shelton, ME Taga - Science, 2020 - science.org
BACKGROUND Nearly every plant, animal, and environment on earth is host to a diverse
community of microorganisms that influence each other and their environment …