Yeasts producing zeatin

PeerJ
Rostislav A StreletskiiVladimir V Demin

Abstract

The present paper describes the first screening study of the ability of natural yeast strains to synthesize in culture the plant-related cytokine hormone zeatin, which was carried out using HPLC-MS/MS. A collection of 76 wild strains of 36 yeast species (23 genera) isolated from a variety of natural substrates was tested for the production of zeatin using HPLC-MS/MS. Zeatin was detected in more than a half (55%) of studied strains and was more frequently observed among basidiomycetous than ascomycetous species. The amount of zeatin accumulated during the experiment varied among species and strains. Highest zeatin values were recorded for basidiomycete Sporobolomyces roseus and ascomycete Taphrina sp. that produced up to 8,850.0 ng and 5,166.4 ng of zeatin per g of dry biomass, respectively. On average, the ability to produce zeatin was more pronounced among species isolated from the arctic-alpine zone than among strains from tropical and temperate climates. Our study also demonstrated that epiphytic strains and pigmented yeast species, typically for phyllosphere, are able to more often produce a plant hormone zeatin than other yeasts.

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Citations

Jan 10, 2020·Applied Microbiology and Biotechnology·Arpan MukherjeeAbd El-Latif Hesham
Nov 27, 2020·Frontiers in Cell and Developmental Biology·Maya GibbR J Neil Emery
Sep 11, 2020·Journal of Experimental Botany·Vasvi ChaudhryEric Kemen
Apr 16, 2021·Frontiers in Microbiology·Abdoulaye SoumareMame Ourèye Sy
May 7, 2021·Brazilian Journal of Microbiology : [publication of the Brazilian Society for Microbiology]·Andréa R MarquesVera Lúcia Dos Santos

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