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Abstract Detail


MSA - Cell and molecular biology/Physiology & Genetics

MacLean, Daniel  [1], Saucedo, Bonnie [1], Roberson, Robert W. [1].

Exploring Hyphal Tip Structure.

Structure is a fundamental element of the physical world. How structure originates, develops, matures, reproduces, evolves, reacts, and ultimately dies is the motivation underlying most approaches of inquiry and discovery in the sciences. The defining structure of filamentous fungi is the hypha. Hyphal growth provides the means for fungi to interact with their environment and organisms, including themselves. Much of our knowledge of hyphal structure has come from decades of study using light and electron microscopy; however a comprehensive understanding of hyphal structure among the major fungal taxa remains poorly resolved. In this presentation we provide descriptions of hyphal tip structure from diverse and less-well studied fungal taxa such as the Chyitridiomycota (e.g., Monoblepharis insignis), Blastocladiomycota (e.g., Catenaria anguillulae), and Zygomycota (e.g., Rhizopus oryzae, Mortierella verticillata, Coemansia reversa, Basidiobolus ranarum). The most significant findings of our study at this time were that the hyphae of B. ranarum and C. anguillulae possess Spitzenkörper. The implication of these and other observations will be discussed relative to the biology of hyphal growth and phylogenetic relationships between the Fungi.


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1 - Arizona State University, School of Life Sciences, P.O. Box 874601, Tempe, Arizona, 85287, USA

Keywords:
Hyphal tip
Spitzenkorper
Bioimaging.

Presentation Type: Oral Paper:Papers for Topics
Session: 17
Location: White Pine/Cliff Lodge - Level C
Date: Monday, July 27th, 2009
Time: 10:15 AM
Number: 17001
Abstract ID:800


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