Genetic control of morphogenesis in the multicellular alga Ulva mutabilis: Defect in cell wall production
[摘要] Distinctultrastructuraldifferencesbetweenthecellwallsofthemutantlumpy(lu)andwild-typearedemonstrated.Thepolyglucanfibrilsinthewild-typewallappearstraightanddenselypackedcomparedtothemoreunevenandlooselywovenfibrilsinthemutantwall.Themutantgrowsasanaggregateoflooselyconnectedcells.Thethreecelltypesseeninthewildtypedonotdifferentiate,andconsequentlynobladeandholdfastforms.Itissuggestedthatthedefectinthecellwallproductiontakesawayanecessaryconditionfornormalmorphogenesis.Thelumpymutantshowsepistasisovertwootherchromosomalmutants,buandSl,describedearliertobemorphogenic.
[发布日期] [发布机构]
[效力级别] [学科分类] 生物科学(综合)
[关键词] [时效性]