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University of Wisconsin Milwaukee

Botany

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Full-Text Articles in Cell Biology

Ultrastructural Changes During Pollen Wall Development And Germination In Arabidopsis Thalaiana, Katrina Olsen Dec 2016

Ultrastructural Changes During Pollen Wall Development And Germination In Arabidopsis Thalaiana, Katrina Olsen

Theses and Dissertations

The Arabidopsis thaliana meiotic mutant 6491 has been identified as displaying temperature sensitive male reduced- fertility. It has been determined that callose wall formation is defective, both in temporal and structural areas. There is irregular rippling in the plasma membrane and aberrant formation of the exine portion of the pollen wall. A developmental study using brightfield, epifluorescence, and transmission electron microscopy of the early stages of wall formation in 6491 has been completed, along with a similar study of Arabidopsis thaliana (L.) heynh, ecotype Wassilewskija (WS). Due to the temperature-sensitive nature of the mutant line, a further study of both ...