Boosting autophagy in sexual reproduction: a plant perspective

Li，Shanshan1; Yan，He1; Mei，Wei Ming2; Tse，Yu Chung3; Wang，Hao1,4

2020

10.1111/nph.16414

NEW PHYTOLOGIST   影响因子和分区

0028-646X

1469-8137

The key process of sexual reproduction is the successful fusion of the sperm and egg cell. Distinct from dynamic and flagellated animal sperm cells, higher flowering plant sperm cells are immotile. Therefore, plants have evolved a novel reproductive system to achieve fertilization and generate progenies. Plant sexual reproduction consists of multiple steps, mainly including gametophyte development, pollen–pistil recognition, pollen germination, double fertilization and postfertilization. During reproduction, active production, consumption and recycling of cellular components and energy are critically required to achieve fertilization. However, the underlying machinery of cellular degradation and turnover remains largely unexplored. Autophagy, the major catabolic pathway in eukaryotic cells, participates in regulating multiple aspects of plant activities, including abiotic and biotic stress resistance, pathogen response, senescence, nutrient remobilization and plant development. Nevertheless, a key unanswered question is how autophagy regulates plant fertilization and reproduction. Here, we focus on comparing and contrasting autophagy in several key reproductive processes of plant and animal systems to feature important distinctions and highlight future research directions of autophagy in angiosperm reproduction. We further discuss the potential crosstalk between autophagy and programmed cell death, which are often considered as two disconnected events in plant sexual reproduction.

autophagy plant fertilization plant sexual reproduction pollen development pollen germination pollen tube growth programmed cell death

SCI

英语

通讯

Shenzhen Science and Technology Innovation Commission[JCYJ20170307105005654]

Plant Sciences

Plant Sciences

WOS:000512132400001

WILEY

PLANT & ANIMAL SCIENCE

2-s2.0-85079434593

Scopus

1.College of Life Sciences,South China Agricultural University,Guangzhou,510642,China
2.Outpatient Department of Sun Yat-sen Memorial Hospital,Sun Yat-sen University,Guangzhou,510275,China
3.Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research,Shenzhen Key Laboratory of Cell Microenvironment and Department of Biology,Southern University of Science and Technology,Shenzhen,518005,China
4.Integrative Microbiology Research Centre,South China Agricultural University,Guangzhou,510642,China

Li，Shanshan,Yan，He,Mei，Wei Ming,et al. Boosting autophagy in sexual reproduction: a plant perspective[J]. NEW PHYTOLOGIST,2020,226(3):679-689.

Li，Shanshan,Yan，He,Mei，Wei Ming,Tse，Yu Chung,&Wang，Hao.(2020).Boosting autophagy in sexual reproduction: a plant perspective.NEW PHYTOLOGIST,226(3),679-689.

Li，Shanshan,et al."Boosting autophagy in sexual reproduction: a plant perspective".NEW PHYTOLOGIST 226.3(2020):679-689.