Regulatory role of the keystone taxa Dokdonella in bacterial network stability under grazing disturbance in alpine meadows

Hainian Lu

doi:10.1016/j.rhisph.2026.101407

Regulatory role of the keystone taxa Dokdonella in bacterial network stability under grazing disturbance in alpine meadows

2026-06-21

0

PRE

AI

H

Hainian Lu

J

Jiaoyang Du

Y

Yongli Xie *

Y

Yu Zou

X

Xiujin Zhang

D

Dingan Gao

X

Xiaohui Wu

C

Chaokun Wang

R

Rong Wang

DOI：10.1016/j.rhisph.2026.101407

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• Moderate grazing improves soil nutrients and fosters a stable microbial co-occurrence network. • A “key node-specialist-shared ASVs” framework identifies core rhizosphere taxa. • Dokdonella is identified as a pivotal keystone taxon sensitive to grazing pressure. • Higher Dokdonella abundance drives both microbial network stability and soil nutrient cycling.

Regulatory role of the keystone taxa Dokdonella in bacterial network stability under grazing disturbance in alpine meadows

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