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构巢曲霉一个突变体的特征分析,该突变体在菌丝、小梗、产孢瓶体和分生孢子中细胞核分布异常。

Characterization of an Aspergillus nidulans mutant with abnormal distribution of nuclei in hyphae, metulae, phialides and conidia.

作者信息

Queiroz M V, Azevedo J L

机构信息

Departamento de Microbiologia/BIOAGRO, Universidade Federal de Viçosa, Brazil.

出版信息

FEMS Microbiol Lett. 1998 Sep 1;166(1):49-55. doi: 10.1111/j.1574-6968.1998.tb13182.x.

DOI:10.1111/j.1574-6968.1998.tb13182.x
PMID:9776635
Abstract

The V10 deteriorated variant of Aspergillus nidulans has hyphae, metulae, phialides and conidia with abnormal nuclear distributions. The alterations observed were: increase in the number of nuclei in hyphae, metulae and phialides, presence of anucleate, uninucleate and multinucleate conidia, abnormal vegetative growth and defection conidiation. When 0.5 M NaCl was added to the medium, an increase in the number of conidia was observed but their morphology and number of nuclei were not modified. The gene responsible for these alterations was named anuA1. The anuA1 gene is located on linkage group VII and is possibly involved in nuclear migration to hyphae, metulae, phialides and conidia.

摘要

构巢曲霉的V10退化变体具有菌丝、梗基、瓶梗和分生孢子,其核分布异常。观察到的变化包括:菌丝、梗基和瓶梗中的核数量增加,出现无核、单核和多核分生孢子,营养生长异常和分生孢子形成缺陷。当向培养基中添加0.5 M NaCl时,观察到分生孢子数量增加,但它们的形态和核数量没有改变。负责这些变化的基因被命名为anuA1。anuA1基因位于第七连锁群上,可能参与核向菌丝、梗基、瓶梗和分生孢子的迁移。

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Cytological characterization of an Aspergillus Nidulans mutant from a strain with chromosomic duplication.曲霉 Nidulans 突变株的细胞学特征,该突变株来自于具有染色体重复的菌株。
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