Observations on collagen synthesis, lattice formation, and morphology of scaleless and normal embryonic skin☆☆☆
[摘要] Intactscalelessskin,fromareaswhichinnormalembryoshavefeathers,lacksabirefringentfibrouslatticewhichconnectsthedermalcondensations.Recombinationsbetweenscalelessandnormalskincomponentshavethebirefringentdermallatticeanddermalcondensationsonlywheneithermutantornormalmesodermiscoveredwithageneticallynormalectoderm.Skinscomposedofmesodermofeithergenotypecoveredbyascalelessectodermdonothavethebirefringentlattice,nordotheyhavedermalcondensations.Inviewoftheproposedcollagenousnatureofthefibrouslattice,collagensynthesiswasestimatedinbothnormalandmutantskinstoinvestigatethepossibilitythatscalelessskinmightsynthesizereducedlevelsofcollagen.Ourresultsindicatethatscalelessdorsalskinsynthesizesatleastasmuchcollagenasnormalskins.Theresultssuggestthattheabsenceofafibrouslatticeisnottheresultofareducedsynthesis,butmorelikelytheresultofafailureofsynthesizedcollagentobeorganizedintoalattice.
[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]