Metagenomic Analysis of Wild Apple (Malus sieversii) Trees from Natural Habitats of Kazakhstan
Mendybayeva A. Makhambetov A. Yanin K. Taskuzhina A. Khusnitdinova M. Gritsenko D.
May 2025Multidisciplinary Digital Publishing Institute (MDPI)
Plants
2025#14Issue 10
Kazakhstan’s rich biodiversity includes diverse apple populations, notably the wild apple tree (Malus sieversii) prized for traits like disease resistance and adaptability, potentially aiding breeding programs. Analyzing their microbiomes offers insights into bacterial diversity and how it influences apple tree development, making it a reliable method for understanding ecological interactions. In this research, 334 apple tree samples were collected from different mountain ranges in southeastern Kazakhstan. An analysis using nanopore-based 16S rRNA sequencing showed a distinct similarity in the microbiome compositions of samples from the Zhongar and Ile Alatau mountain ranges, with a predominance of Pseudomonadaceae, Enterobacteriaceae, and Microbacteriaceae. In contrast, samples from Ketmen ridge showed a higher prevalence of Enterobacteriaceae. Alongside the less represented Pseudomonadaceae family, in the Ketmen ridge region, bacteria of the Xanthomonadaceae, Alcaligenaceae, and Brucellaceae families were also present. Across all regions, beneficial plant-associated bacteria were identified, such as Pseudomonas veronii, Stenotrophomonas geniculata, and Kocuria rhizophila, potentially enhancing plant resilience. However, opportunistic phytopathogens were also detected, including Pseudomonas viridiflava and Serratia marcescens, particularly in the Ile Alatau region. These findings highlight the complex microbial interactions in M. sieversii, thus offering key insights into host—microbe relationships that can inform apple breeding and ecological preservation efforts.
bacteria , malus sieversii , metagenomic analysis , microbiome
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Laboratory of Molecular Biology, Institute of Plant Biology and Biotechnology, Almaty, 050040, Kazakhstan
Research Center AgriBioTech, Almaty, 050040, Kazakhstan
Department of Molecular Biology and Genetics, Al-Farabi Kazakh National University, Almaty, 050040, Kazakhstan
Laboratory of Molecular Biology
Research Center AgriBioTech
Department of Molecular Biology and Genetics
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