2013
DOI: 10.1016/j.cub.2013.04.043
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Membrane-Bound RLCKs LIP1 and LIP2 Are Essential Male Factors Controlling Male-Female Attraction in Arabidopsis

Abstract: Successful sexual reproduction in animals and plants requires communication between male and female gametes. In flowering plants, unlike in animals, eggs and sperm cells are enclosed in multicellular embryo sacs and pollen grains, respectively; guided growth of the pollen tube into the ovule is necessary for fertilization. Pollen tube guidance requires accurate perception of ovule-emitted guidance cues by the receptors in pollen tubes. Although several ovule-secreted peptides controlling pollen tube guidance h… Show more

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Cited by 120 publications
(98 citation statements)
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“…2F). However, unlike plasma membrane localization of ANX1/2 or RbohH, which shows enrichment at the PT tip (6), MRI-YFP was localized uniformly in the plasma membrane, similar to other pollenexpressed RLCKs (27). Taken together, our results indicate that mri-1, mri-2, and mri-3D are amorphic, hypomorphic, and hypermorphic alleles of MRI, respectively, and that disruption of MRI leads to a loss of CW integrity during PT growth.…”
Section: Resultsmentioning
confidence: 93%
“…2F). However, unlike plasma membrane localization of ANX1/2 or RbohH, which shows enrichment at the PT tip (6), MRI-YFP was localized uniformly in the plasma membrane, similar to other pollenexpressed RLCKs (27). Taken together, our results indicate that mri-1, mri-2, and mri-3D are amorphic, hypomorphic, and hypermorphic alleles of MRI, respectively, and that disruption of MRI leads to a loss of CW integrity during PT growth.…”
Section: Resultsmentioning
confidence: 93%
“…For scanning electron microscopy observations, the pistils were fixed in FAA solution (50% ethanol, 5% acetic acid, 3.7% formaldehyde) for 24 h and dehydrated with a series of ethanol solutions (30%, 50%, 70%, 85%, 95%, and 100%) (54). The pistils were subsequently CO 2 critical point-dried, coated with sputtering gold, and then observed using a scanning electron microscope (JSM-6360LV; JEOL).…”
Section: Methodsmentioning
confidence: 99%
“…Semi-in vivo pollen germination assay and aniline blue staining were conducted according to previously reported protocols (39). The histochemical GUS assay was performed according to a reported protocol (40).…”
Section: Methodsmentioning
confidence: 99%