The developmental capacity of various stages of a macrocyst-forming strain of the cellular slime mold, Dictyostelium mucoroides☆
[摘要] VegetativecellsofcertainstrainsofDictyosteliummucoroidesformfruitingbodiesonanagarsurfaceandmacrocystswhenplacedundersaline.Thisstudysoughttodeterminewhethertheaggregationandpseudoplasmodialstagesoffruitingbodyformationcouldbeinducedtoformmacrocystswhenplacedundersaline.Likewise,differentstagesinmacrocystformationwereputonanagarsurfacetodeterminetheirpotentialtoswitchtofruitingbodyformation.Itwasfoundthat78%oftheaggregatesand21%ofthepseudoplasmodiaplacedundersalineformedmacrocystsindicatingthatasfruitingbodydevelopmentproceeds,thereisarestrictionofthecapabilityofcellstorespondtoenvironmentalconditionsfavoringmacrocystformation.Stagesinmacrocystdevelopmentpriortotheformationofprecystsalwaysformedfruitingbodieswhenputonagar.Onceprecystshadformed,surroundedbytheiracellularsheath,theyalwaysdevelopedasmacrocystsonagar.Peripheralcellsisolatedfromprecystsandputonagarquicklyaggregated;theaggregatesbecamesuroundedbyasheathanddevelopedasmacrocysts.Ifisolatedperipheralcellswereallowedtoproliferateontheagarsurface,theresultingcellsaggregatedandformedfruitingbodies.
[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]
