Journal
PLANT BIOLOGY
Volume 15, Issue 2, Pages 249-263Publisher
WILEY
DOI: 10.1111/j.1438-8677.2012.00706.x
Keywords
Callose; cellulose; exine; fatty acid; intine; metabolism; pectin; pollen wall; primexine; sporopollenin
Categories
Funding
- National Program on Key Basic Research Projects [2012CB113900]
- Natural Science Foundation of China [31071805]
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Pollen grains are surrounded by a sculpted wall, which protects male gametophytes from various environmental stresses and microbial attacks, and also facilitates pollination. Pollen wall development requires lipid and polysaccharide metabolism, and some key genes and proteins that participate in these processes have recently been identified. Here, we summarise the genes and describe their functions during pollen wall development via several metabolic pathways. A working model involving substances and catalytic enzyme reactions that occur during pollen development is also presented. This model provides information on the complete process of pollen wall development with respect to metabolic pathways.
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