Root microbiomes of Zygophyllaceae in the Kazakhstan desert: a weak evidence for rhizobial nitrogen fixation
Онипченко В.Г., Клюкина А.А., Кубланов И.В., Бонч-Осмоловская Е.А., Мусабеков М.Т., Бисенгазиева А.С., Тиунов А.В., Цуриков С.М., Ахметжанова А.А., Елумеева Т.Г. Корневой микробиом Zygophyllaceae в пустыне Казахстана: слабые свидетельства ризобиальной азотфиксации
Onipchenko V.G. Klyukina A.A. Kublanov I.V. Bonch-Osmolovskaya E.A. Badmadashiev D.V. Musabekov M.T. Bisengazieva A.S. Tiunov A.V. Tsurikov S.M. Akhmetzhanova A.A. Elumeeva T.G.
2024BGI FEB RAS
Botanica Pacifica
2024#13Issue 273 - 79 pp.
The plants of the Zygophyllaceae family are often considered to be capable of symbiotic atmosphere nitrogen fixation, forming rhizobial nodules similar to those of Fabaceae and Urticaceae. In four species of Zygophyllaceae and the related Peganum harmala (hereafter called Z-plants), collected in Dzungarian deserts (Kazakhstan), we analyzed the prokaryotic component of the root microbiome and the 15N and 13C content in the leaves of these Z-plants compared with neighboring dicots belonging to other families (R-plants). Among all studied Zygophyllum fabago root samples only one was found to have the root nodule, however the microbiome of this sample was similar to that found in other Z. fabago root samples where nodu-lation was not observed. If compared to Z-plants, the R-plants had a significantly higher relative abundance of bacteria of genera Glycomyces, Massilia and Streptomyces, while the Z-plants had a higher relative abundance of the representatives of genera Actinomadura, Nocardia and Pseudonocardia. Unidentified representatives of the family Rhizobiaceae were present in some of R and Z plants, being most abundant in soil samples. On average, the Z- and the R-plants did not differ in their δ13С and δ15N. Overall, the results do not allow us to consider the studied Zygophyllaceae plants as species with effective atmospheric nitrogen fixation due to rhizobial symbiosis – a characteristic feature of the most legumes.
microbial communities , nitrogen fixation , Zygophyllaceae , δ13С , δ15N , азотфиксация , микробные сообщества
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Lomonosov Moscow State University, Faculty of Biology, Dept. Ecology and Plant Geography, Moscow, Russian Federation
Winogradsky Institute of Microbiology, Research Centre of Biotechnology RAS, Moscow, Russian Federation
Altyn-Emel National Park, Basshi Village, Jetysu Region, Kazakhstan
Makhambet Utemisov West Kazakhstan University, Uralsk, Kazakhstan
A.N. Severtsov Institute of Ecology and Evolution, Moscow, Russian Federation
Lomonosov Moscow State University
Winogradsky Institute of Microbiology
Altyn-Emel National Park
Makhambet Utemisov West Kazakhstan University
A.N. Severtsov Institute of Ecology and Evolution
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