ZYGOSPOROGENESIS IN ZYGORHYNCHUS HETEROGAMUS, WITH A PROPOSAL FOR STANDARDIZATION OF STRUCTURAL NOMENCLATURE
ZYGOSPOROGENESIS IN ZYGORHYNCHUS HETEROGAMUS, WITH A PROPOSAL FOR STANDARDIZATION OF STRUCTURAL NOMENCLATURE
复制标题
异花霸王鱼的接合孢子发生以及结构命名标准化的建议
DOI：
10.1080/00275514.1995.12026535
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发表时间：
1995
期刊：
影响因子：
2.8
通讯作者：
K. Klomparens
中科院分区：
文献类型：
--
作者：
R. Edelmann;K. Klomparens
Ultrastructural details of zygosporogenesis inZygorhynchus heterogamuswere observed with scanning and transmission electron microscopy, using both conventional chemical fixation and the cryopreservation techniques. Detailed observations of origin and development of walls of the entire sexual apparatus are reported. Development of both gametangial septa was observed to be identical and plasmodesmata were observed to penetrate septa beginning with their initial formation through full maturation of the zygospore. Wart formation was apparently initiated with appearance of vesiculate bodies closely appressed to the zygosporangium wall, external to the plasma membrane. Wart development progressed through deposition of a stacked series of electron-opaque disks. Rupture of the zygosporangium wall by the developing zygospore was concurrent with formation of a contiguous warty layer. For the first time, clear transmission electron microscopic observations of multiple wall layers in the fully mature zygospore are presented. A detailed historical discussion on, and a proposal for standardized structural nomenclature are presented as well as advantages of low temperature scanning electron microscopy in the preservation of delicate reproductive structures, and the benefits and failings of freeze substitution in the preservation of mature zygospores are discussed.
