| Effect of myoinositol and zinc on sporangiosporeyeast transformation of Mucor circinelloides Tieghe | |
Abstract/OtherAbstract
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Environmental factors influence mould-yeast interconversion. Such factors may trigger changes at the cellular level. Yeastlike cells induced from sporangiospores of Mucor species consist of central globose mothercell, which produce multiple buds by blastic action. This study examines the effect of synthetic broth on sporangiospores of M. circinelloides. Sporangiospores of M. circinelloides converted to determinate thallic subtypes including enterothallic-holothallic-and holoblastic conidia, as well as terminal budding yeast cells in synthetic broth treatments with zinc and myoinositol (myo) supplementations. In a study monitored at 24 h intervals, profiling gave 2-phase expression in some treatments and this was influenced by the presence of thallic forms. However, sigmoid pattern was obtained in control broth as well as in 0.25 mM Zn2+ and 1.0 -3.0 mM myo treatments. Such treatments enhanced growth by 32.95, 65.07 and 63.82%, respectively, over control mean growth. Proliferating yeast cells induced from sporangiospores of M. circinelloides transformed through several transient morphologies in a sequential manner, protoplast being the cross over form. Zinc and myo supplementation enhanced yeast induction. It was strongly suggested that they acted as second messengers in signal transduction and consequent yeast induction. Whereas thallic subtypes were present, subsequent transformation of their cytosolic contents, following thallic cell wall rupture, followed the same pattern of lateral morphogenetic transformation. |
Authors
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C. O. OMOIFO |
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Contributors
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- |
Publication Detail
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Publisher : Academic Journals Type : AA Format : html |
Date Detail
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2006-09-15 |
Subject
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Mucor circinelloides, sporangiospores, synthetic broth, zinc, myoinositol, induced morphology. |
Coverage
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Origin of publication: Kenya |
Relation
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http://www.academicjournals.org/AJB/; http://www.bioline.org.br/jb |
Source
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African Journal of Biotechnology (ISSN: 1684-5315) Vol 5 Num 9 |
Copyright Information
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Copyright 2006 - Academic Journals |
Other Details
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Languages : en |
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