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The totipotency and relationship of seta-bearing cells to thallus development in the green alga Coleochaete scutata. A laser microbeam study☆
[摘要] Therelationshipofseta-bearingcellsofColeochaetescutata(ChlorophytaUlotrichales)tonormalgrowthanddevelopmentofthethalluswasinvestigatedusinglasermicrobeamirradiation.Whenalloftheseta-bearingcellsofathallus,exceptthesmallprimaryseta-bearingcell,weredestroyedbylasermicrobeamirradiation,thethallusgrewasrapidlyasthallithathadreceivednoradiation.Thefunctionalsignificanceoftheseta-bearingcellisstillnotunderstood,butithasbeenfoundthatthesecellshavethecapacitytodedifferentiateanddividetoformnormalvegetativeandseta-bearingcells.Mechanismscontrollingthenumberofseta-bearingcellsandgrowthofthethallusarediscussed.
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[效力级别]  [学科分类] 生物科学(综合)
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