2022
DOI: 10.1016/j.pbi.2022.102275
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Uncovering an ancestral green ménage à trois: Contributions of Chlamydomonas to the discovery of a broadly conserved triad of plant fertilization proteins

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Cited by 3 publications
(3 citation statements)
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“…Like other cell–cell fusion events, adhesion proteins bring the opposing plasma membranes (PMs) into close proximity, whereas membrane merger is mediated by fusogens ( 1 , 2 ). Although several fertilization-essential proteins have been identified in multiple model organisms, gamete fusogens have not yet been identified in fungi and chordates ( 3 6 ). On the other hand, the conserved membrane protein HAPLESS 2 (HAP2), which is also called GENERATIVE CELL SPECIFIC 1 (GCS1), is essential for gamete fusion in many unicellular organisms, in several animal taxa, and in higher plants ( 7 15 ).…”
mentioning
confidence: 99%
“…Like other cell–cell fusion events, adhesion proteins bring the opposing plasma membranes (PMs) into close proximity, whereas membrane merger is mediated by fusogens ( 1 , 2 ). Although several fertilization-essential proteins have been identified in multiple model organisms, gamete fusogens have not yet been identified in fungi and chordates ( 3 6 ). On the other hand, the conserved membrane protein HAPLESS 2 (HAP2), which is also called GENERATIVE CELL SPECIFIC 1 (GCS1), is essential for gamete fusion in many unicellular organisms, in several animal taxa, and in higher plants ( 7 15 ).…”
mentioning
confidence: 99%
“…The Filamin gene family is mainly localized in cell membranes and has been reported to be involved in the composition of the human cytoskeleton, cancer cell metastasis and certain growth processes [ 14 , 15 , 16 , 17 ]. GEX2, a member of the Filamin gene family in plants, plays important roles in the processes of sperm recognition and fusion in Arabidopsis [ 3 , 20 , 21 , 22 ], Zea mays [ 24 , 25 , 26 ] and Chlamydomonas [ 27 , 28 ]. Due to the lack of research about Filamin gene family members in cotton, this paper conducted a systematic study on the cotton Filamin gene family and screened out genes that may have the same function as Arabidopsis Filamin gene family members, which was determined according to the structure, expression, evolutionary analysis and interaction analysis of these genes.…”
Section: Discussionmentioning
confidence: 99%
“…In maize, GEX2 is also localized to sperm membranes and has been found to be involved in gametophyte fusion [ 24 , 25 , 26 ]. In Chlamydomonas , GEX2 is also a plant sperm protein with an adhesive function, which can bind to HAP2 and play a role in gametophyte recognition and adhesion [ 27 , 28 ]. The GEX2 subfamily with an Ig-like domain can play a role in the gametophyte.…”
Section: Introductionmentioning
confidence: 99%