Diversity and Correlation Analysis of Differential Amino Acid Metabolites and Dominant Endophytic Bacteria in Fruits at Different Stages.

Genes (Basel)

Key Laboratory of Tibetan Plateau Medicinal Plant and Animal Resources, School of Life Sciences, Qinghai Normal University, Xining 810008, China.

Published: July 2025


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Article Abstract

: has been acknowledged for its substantial nutritional benefits. The "Mengqi No.1" variety of is known for its high yield and exceptional quality. : We screened twenty dominant endophytic bacterial genera based on OTUs from fruits during three developmental stages. : Forty-three differential amino acid metabolites were selected from fruits. Five endophytic bacteria (, , , , and were dominant genera in green fruit (GF, 16-19 days after flowering), color-changing fruit (CCF, 22-25 days after flowering), and red-ripe fruit (RRF, 31-34 days after flowering). Four endophytic bacterial genera (, , , and ) showed positive correlation with twenty different amino acid metabolites and negative correlation with seven different amino acid metabolites. : Five genes (, , , , and ) indicated positive correlation with seventeen different amino acid metabolites and negative correlation with eight different amino acid metabolites. gene had a major role in regulating arginine biosynthesis (ko00220); , and genes were major in regulating glycine, serine, and threonine metabolism (ko00260); and gene had a major role in regulating tyrosine metabolism (ko00350). These findings offer insights into the relationship between amino acid synthesis and endophytic bacteria in fruits.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC12294258PMC
http://dx.doi.org/10.3390/genes16070836DOI Listing

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