Diversity of Endophytic Yeasts from Agricultural Fruits Positive for Phytohormone IAA Production
Autor: | Aleksey Kachalkin, Anna Glushakova, Rostislav Streletskii |
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Jazyk: | angličtina |
Rok vydání: | 2022 |
Předmět: | |
Zdroj: | BioTech, Vol 11, Iss 3, p 38 (2022) |
Druh dokumentu: | article |
ISSN: | 11030038 2673-6284 |
DOI: | 10.3390/biotech11030038 |
Popis: | This study reports the diversity of cultivable endophytic yeasts from agricultural fruits that respond positively to the plant-promoting property of indole-3-acetic acid (IAA) production. The IAA synthesis by the strains was quantified with an Agilent 1100 series liquid chromatography system. IAA was present in the culture liquid of 72% of all 97 strains examined after three days of cultivation. The most active endophytic yeast strains in this study belonged to the species Aureobasidium pullulans, Candida zeylanoides, Hanseniaspora uvarum, Metschnikowia pulcherrima, Meyerozyma caribbica, Rhodotorula mucilaginosa, and Yarrowia galli. The highest IAA production was observed in the endophytic strain of A. pullulans (9109.19 ± 146.02 μg/g). No significant differences were found between IAA production in strains from agricultural products of different countries. However, the level of IAA production was strictly strain-specific. Our results suggest that the internal tissues of fruits may be a promising source for the isolation of plant-beneficial yeasts that can be used to promote plant growth. |
Databáze: | Directory of Open Access Journals |
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