A region of the myosin rod important for interaction with paramyosin in Caenorhabditis elegans striated muscle.
A region of the myosin rod important for interaction with paramyosin in Caenorhabditis elegans striated muscle.
复制标题
肌球蛋白杆的一个区域,对于与秀丽隐杆线虫横纹肌中的副肌球蛋白相互作用非常重要。
DOI:
10.1093/genetics/156.2.631
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发表时间:
2000
期刊:
影响因子:
3.3
通讯作者:
Waterston,RH
中科院分区:
文献类型:
--
作者:
Hoppe,PE;Waterston,RH
The precise arrangement of molecules within the thick filament, as well as the mechanisms by which this arrangement is specified, remains unclear. In this article, we have exploited a unique genetic interaction between one isoform of myosin heavy chain (MHC) and paramyosin inCaenorhabditis elegansto probe the molecular interaction between MHC and paramyosinin vivo.Using chimeric myosin constructs, we have defined a 322-residue region of the MHC A rod critical for suppression of the structural and motility defects associated with theunc-15(e73)allele. Chimeric constructs lacking this region of MHC A either fail to suppress, or act as dominant enhancers of, thee73phenotype. Although the 322-residue region is required for suppression activity, our data suggest that sequences along the length of the rod also play a role in the isoform-specific interaction between MHC A and paramyosin. Our genetic and cell biological analyses of construct behavior suggest that the 322-residue region of MHC A is important for thick filament stability. We present a model in which this region mediates an avid interaction between MHC A and paramyosin in parallel arrangement in formation of the filament arms.
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影响因子:
5.6
作者:
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通讯作者:
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作者:
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作者:
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通讯作者:
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作者:
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通讯作者:
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