ACL1-HD-Zip IV complex revealed common mechanism in rice response to brown planthopper and drought-Reference-Cited by-全球学者库

ACL1-HD-Zip IV complex revealed common mechanism in rice response to brown planthopper and drought

Published:2024-01-12 Issue: Volume: Page:
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Author:

Shi Zhenying¹,Tao Zhihuan²,Zhu Lin²,Li Haichao¹,Sun Bo¹,Liu Xue³,Li Dayong⁴,Hu Wen-Li⁵,Wang Shan-Shan⁶,miao xuexia¹^ORCID

Affiliation:

1. CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology

2. Key Laboratory of Insect Developmental and Evolutionary Biology, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences

3. National Engineering Research Center for Vegetables, Beijing Vegetable Research Center, Beijing Academy of Agriculture and Forestry Scienc

4. National Engineering Research Center for Vegetables, Beijing Vegetable Research Center, Beijing Academy of Agriculture and Forestry Science

5. National Key Laboratory of Plant Molecular genetics, Institute of Plant Physiology and Ecology/CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences

6. CAS Center for Excellence in Molecular Plant Sciences

Abstract

Abstract Brown planthopper (BPH) is the most notorious insect pest to rice. Drought is the most commonly occurring global adversity. BPH infestation caused adaxially-rolled leaves and shrunk bulliform cells similar to drought. The bulliform-cell characteristic gene, ACL1, negatively regulated BPH resistance and drought tolerance, with decreased cuticular wax in ACL1-D, which resulted in quicker water losing. ACL1 was specifically expressed in epidermis. TurboID system and various biochemical assays revealed that ACL1 interacted with the epidermal-characteristic HD-Zip IV ROCs. ROC4 and ROC5 positively regulated BPH resistance and drought tolerance through modulating cuticular wax and bulliform cells respectively. Overexpression of ROC4 and ROC5 both rescued ACL1-D in various related phenotypes simultaneously. Moreover, ACL1 competed with ROC4 and ROC5 in homo-dimerization and hetero-dimerization. Altogether, we illustrated that ACL1-ROCs complex synergistically mediate drought tolerance and BPH resistance through regulating cuticular wax and bulliform cells in rice, a new mechanism which might facilitate BPH resistance breeding.

Publisher

Research Square Platform LLC

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