LAMMER kinase LkhA plays multiple roles in the vegetative growth and asexual and sexual development of Aspergillus nidulans

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Title
LAMMER kinase LkhA plays multiple roles in the vegetative growth and asexual and sexual development of Aspergillus nidulans
Author(s)
E H Kang; Ji Ae KimHyun Woo Oh; H M Park
Bibliographic Citation
PLoS One, vol. 8, no. 3, pp. e58762-e58762
Publication Year
2013
Abstract
LAMMER kinase plays pivotal roles in various physiological processes in eukaryotes; however, its function in filamentous fungi is not known. We performed molecular studies on the function of the Aspergillus nidulans LAMMER kinase, LkhA, and report its involvement in multiple developmental processes. The gene for LkhA was highly expressed during reproductive organ development, such as that of conidiophores and cleistothecia. During vegetative growth, the patterns of germ tube emergence and hyphal polarity were changed and septation was increased by lkhA deletion. Northern analyses showed that lkhA regulated the transcription of brlA, csnD, and ppoA, which supported the detrimental effect of lkhA-deletion on asexual and sexual differentiation. LkhA also affected expression of cyclin-dependent kinase NimXcdc2, a multiple cell cycle regulator, and StuA, an APSES family of fungal transcription factors that play pivotal roles in multiple differentiation processes. Here, for the first time, we present molecular evidence showing that LAMMER kinase is involved in A. nidulans development by modulating the expression of key regulators of developmental processes.
ISSN
1932-6203
Publisher
Public Library of Science
DOI
http://dx.doi.org/10.1371/journal.pone.0058762
Type
Article
Appears in Collections:
Division of Bio Technology Innovation > Core Facility Management Center > 1. Journal Articles
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