Cysteine-rich peptides promote interspecific genetic isolation in Arabidopsis-Reference-Cited by-同舟云学术

Cysteine-rich peptides promote interspecific genetic isolation in Arabidopsis

Published:2019-05-31 Issue:6443 Volume:364 Page:
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Zhong Sheng¹²^ORCID,Liu Meiling¹^ORCID,Wang Zhijuan¹^ORCID,Huang Qingpei¹^ORCID,Hou Saiying¹^ORCID,Xu Yong-Chao³^ORCID,Ge Zengxiang¹^ORCID,Song Zihan¹,Huang Jiaying¹^ORCID,Qiu Xinyu¹^ORCID,Shi Yihao¹^ORCID,Xiao Junyu¹^ORCID,Liu Pei⁴^ORCID,Guo Ya-Long³^ORCID,Dong Juan⁵^ORCID,Dresselhaus Thomas⁶^ORCID,Gu Hongya¹²,Qu Li-Jia¹²^ORCID

Affiliation:

1. State Key Laboratory for Protein and Plant Gene Research, Peking-Tsinghua Center for Life Sciences at the College of Life Sciences, Peking University, Beijing 100871, People’s Republic of China.

2. The National Plant Gene Research Center (Beijing), Beijing 100101, People’s Republic of China.

3. State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China

4. Department of Ecology, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, People’s Republic of China.

5. The Waksman Institute of Microbiology, Rutgers, the State University of New Jersey, Piscataway, NJ 08854, USA.

6. Cell Biology and Plant Biochemistry, Regensburg Center for Biochemistry, University of Regensburg, 93053 Regensburg, Germany.

Abstract

Racing to fertilization Pollen tubes, which carry plant sperm, need to grow from where they land in the flower to where the ovule is. Zhong et al. now show how pollen from related plant species race to reach the ovule first. One set of fast-evolving peptide signals is tuned to speed up growth of conspecific pollen tubes. A related set of evolutionarily ancient peptides is tuned to attract all pollen tubes. Thus, fertilization is more likely to happen through conspecific pollen tubes, but a fail-safe system encourages even the laggards to get where they need to go. Science , this issue p. eaau9564

Funder

National Natural Science Foundation of China

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference65 articles.

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