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A receptor–channel trio conducts Ca2+ signalling for pollen tube reception
The molecular mechanism by which FERONIA, LORELEI and NORTIA work together to facilitate calcium-mediated synergid–pollen tube communication in flowering plants is presented.
- Qifei Gao
- , Chao Wang
- & Sheng Luan
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Article |
Fertilized egg cells secrete endopeptidases to avoid polytubey
Fertilized Arabidopsis egg cells secrete endopeptidases into the extracellular space that cleave the pollen tube attractor LURE1, preventing polytubey.
- Xiaobo Yu
- , Xuecheng Zhang
- & Meng-xiang Sun
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Letter |
GLUTAMATE RECEPTOR-LIKE channels are essential for chemotaxis and reproduction in mosses
Mutations in genes that encode GLUTAMTATE RECEPTOR-LIKE (GLR) channels in the moss Physcomitrella patens result in failure of motile sperm to target the female reproductive organs and of zygotes to develop properly.
- Carlos Ortiz-Ramírez
- , Erwan Michard
- & José A. Feijó
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Letter |
MATRILINEAL, a sperm-specific phospholipase, triggers maize haploid induction
A frame-shift mutation in MATRILINEAL, a pollen-specific phospholipase, triggers haploid induction in maize, which may be useful in developing improved haploid induction systems for crop breeding.
- Timothy Kelliher
- , Dakota Starr
- & Barry Martin
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Research Highlights |
Plant fertilization protein found
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Letter |
Sex-specific volatile compounds influence microarthropod-mediated fertilization of moss
Volatile scents of moss Ceratodon purpureus show sex-specific differences and are similar in chemical diversity to those of plant–insect pollination mutualisms; and moss-dwelling microarthropods, whose presence increases C. purpureus fertilization rates, prefer scents of reproductive female C. purpureus to reproductive males, indicating a scent-based ‘plant–pollinator-like’ relationship between mosses and microarthropods.
- Todd N. Rosenstiel
- , Erin E. Shortlidge
- & Sarah M. Eppley