Mating type gene organization in the mushroom forming fungus Flammulinavelutipes
作者单位：Mycological Research CenterCollege of Life SciencesFujian Agriculture and Forestry University College of Crop SciencesFujian Agriculture and Forestry University College of Food SciencesFujian Agriculture and Forestry University
会议名称：《中国菌物学会2016年学术年会》
会议日期：2016年
学科分类：09[农学] 0902[农学-园艺学] 090202[农学-蔬菜学]
摘 要：Mating involvesthe transition from a self-sterileinto a fertile *** a prerequisite for the production of fruiting bodies,this is a fundamental step in the life cycle of mushroom forming *** mating,two genetically distinct monokaryons called mating types,will fuse and establish a *** compatibilityof mating types as well as the development of a dikaryonare controlled by independent gene clusters atthe MAT-A and the MAT-B *** MAT loci have been studied poorly for the majority of mushroom forming *** deepen our understanding of mating,we identified and mapped the structures of a series of MAT loci in the important edible mushroom *** results showed that the MAT-A and the MAT-B loci of *** each contained two separate,functionally redundantsubloci（Aa/Ab and Ba/Bb）.Depending on the interacting mating types,different MAT-A and MAT-Bsublociare predicted to control the mating *** analysis demonstrated that new combinations of MAT-Aa and MAT-Absubloci could be generated at a low frequency during ***,we demonstrated different combinations of MAT-Ba and *** means that *** can generate new mating types not only by recombining MAT-A with MAT-B loci（i.e.a typical tetrapolar mating type system）,but also can occasionally create new MAT-A and MAT-B mating *** resultsof our study provide important directions for further research on *** type genes of loci that were indicated to control mating in specific combinations are currently subjected to transformation assays that will confirm（or reject） their control over their respective A or B *** resulting mutants will be used to explore thedownstreamgenetic mechanisms of mating in ***.