Fertilization is one of the most important processes in all organisms utilizing sexual reproduction. In a previous study. we succeeded in identifying a novel male gametic transmembrane protein GCS1 (GENERATIVE CELL SPECIFIC 1). also called HAP2 (HAPLESS 2) in the male-sterile Arabidopsis thaliana mutants. https://poolsproductscanadas.shop/product-category/jandy-sftm-sand-filter-parts/