B vitamin acquisition by gut commensal bacteria

EE Putnam, AL Goodman - PLoS pathogens, 2020 - journals.plos.org
The mammalian gut microbiome is one of the densest known microbial communities [1].
These microbial communities are largely composed of four major phyla (Bacteroidetes …

Taxonomic and environmental distribution of bacterial amino acid auxotrophies

J Ramoneda, TBN Jensen, MN Price… - Nature …, 2023 - nature.com
Many microorganisms are auxotrophic—unable to synthesize the compounds they require
for growth. With this work, we quantify the prevalence of amino acid auxotrophies across a …

Towards a mechanistic understanding of microalgae–bacteria interactions: integration of metabolomic analysis and computational models

G Daly, V Ghini, A Adessi, M Fondi… - FEMS Microbiology …, 2022 - academic.oup.com
Interactions amongst marine microalgae and heterotrophic bacteria drive processes
underlying major biogeochemical cycles and are important for many artificial systems. These …

Polyiodine-Modified 1,3,5-Benzenetricarboxylic Acid Framework Zn(II)/Cd(II) Complexes as Highly Selective Fluorescence Sensors for Thiamine Hydrochloride, NACs, and Fe3+ …

CH Liu, QL Guan, XD Yang, FY Bai, LX Sun… - Inorganic …, 2020 - ACS Publications
Four new complexes,[Zn (TIBTC)(DMA)]·[NH2 (CH3) 2](1),[Cd (TIBTC)(H2O)]·[NH2 (CH3) 2]·
DMA (2),[Cd2 (TIBTC)(2, 2′-bipy) 2 (HCOO)](3), and [Cd2 (DIBTC)(2, 2′-bipy) 2 …

The overlooked role of a biotin precursor for marine bacteria-desthiobiotin as an escape route for biotin auxotrophy

G Wienhausen, S Bruns, S Sultana… - The ISME …, 2022 - academic.oup.com
Biotin (vitamin B7) is involved in a wide range of essential biochemical reactions and a
crucial micronutrient that is vital for many pro-and eukaryotic organisms. The few biotin …

Heme auxotrophy in abundant aquatic microbial lineages

S Kim, I Kang, JW Lee, CO Jeon… - Proceedings of the …, 2021 - National Acad Sciences
Heme, a porphyrin ring complexed with iron, is a metalloprosthetic group of numerous
proteins involved in diverse metabolic and respiratory processes across all domains of life …

Genetic basis of thiaminase I activity in a vertebrate, zebrafish Danio rerio

CA Richter, AN Evans, SA Heppell, JL Zajicek… - Scientific Reports, 2023 - nature.com
Thiamine (vitamin B1) metabolism is an important driver of human and animal health and
ecological functioning. Some organisms, including species of ferns, mollusks, and fish …

Multiyear analysis uncovers coordinated seasonality in stocks and composition of the planktonic food web in the Baltic Sea proper

E Fridolfsson, C Bunse, E Lindehoff, H Farnelid… - Scientific Reports, 2023 - nature.com
The planktonic realm from bacteria to zooplankton provides the baseline for pelagic aquatic
food webs. However, multiple trophic levels are seldomly included in time series studies …

Auxotrophic interactions: a stabilizing attribute of aquatic microbial communities?

WM Johnson, H Alexander, RL Bier… - FEMS Microbiology …, 2020 - academic.oup.com
Auxotrophy, or an organism's requirement for an exogenous source of an organic molecule,
is widespread throughout species and ecosystems. Auxotrophy can result in obligate …

Marine community metabolomes carry fingerprints of phytoplankton community composition

KR Heal, BP Durham, AK Boysen, LT Carlson, W Qin… - Msystems, 2021 - Am Soc Microbiol
Phytoplankton transform inorganic carbon into thousands of biomolecules that represent an
important pool of fixed carbon, nitrogen, and sulfur in the surface ocean. Metabolite …