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Soil Substrate Source Drives the Microbes Involved in the Degradation of Gelatin Used as a Biostimulant by Ohana Y.A. Costa; Agata Pijl; Jos Houbraken; Willem van Lith; Eiko E. Kuramae is a Agricultural and Biological Sciences article available to read on EtoBox.

What is Soil Substrate Source Drives the Microbes Involved in the Degradation of Gelatin Used as a Biostimulant about?

Plant biostimulants improve crop yield and quality by stimulating plant nutrition processes and enhancing nutrient uptake efficiency, likely reflecting indirect effects mediated by beneficial soil microbes. Gelatin is an emerging plant biostimulant. Culture-dependent studies have identified several species of gelatin-degrading microbes, but the effect of gelatin on soil microbial communities in the absence of the plant microbiome has not been investigated. The objectives of this work were to evaluate changes in the microbial community induced by granulated gelatin amendments in different soils and substrates using high-throughput sequencing and to identify gelatin-hydrolyzing microbes for further application. Sandy soil, potting soil, paper plugs, black peat soil and pH-neutralized black peat soil were amended with gelatin and incubated at room temperature. After 7 and 15 days, samples were collected, DNA was extracted, and the bacterial and fungal communities were assessed by high-throughput sequencing of the 16S rRNA gene and the internal transcribed spacer (ITS) region, respectively. In parallel, microbes were isolated in culture medium. Regression analysis of shifts in the micr

Who reads Soil Substrate Source Drives the Microbes Involved in the Degradation of Gelatin Used as a Biostimulant?

Author

Ohana Y.A. Costa; Agata Pijl; Jos Houbraken; Willem van Lith; Eiko E. Kuramae

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)