A new pma1 mutation identified in a chronologically long-lived fission yeast mutant.

A new pma1 mutation identified in a chronologically long-lived fission yeast mutant.
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DOI:
10.1016/j.fob.2014.09.006
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发表时间:
2014
期刊:
影响因子:
2.6
通讯作者:
Aiba, Hirofumi
Aiba, Hirofumi
中科院分区:
生物学4区
文献类型:
--
作者:
Naito, Chikako;Ito, Hirokazu;Oshiro, Tomoko;Ohtsuka, Hokuto;Murakami, Hiroshi;Aiba, Hirofumi

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我们分离到了庞氏链霉菌的一个长寿突变体。我们在pma1+基因中发现了一个突变,该突变编码了一个必需的P型质子ATPase。已鉴定的Asp-138到Asn突变导致Pma1活性降低。这是伴随着S.pombe的时间寿命的增加而来的。我们从裂殖酵母中分离到一个长寿突变株,并在pma1+中发现了一个编码必需的P型质子ATPase的新突变。Asp-138到Asn的突变导致Pma1活性降低,伴随着这种分裂酵母的时间寿命的延长。这项研究证实了我们之前的报告,即Pma1活性对于确定分裂酵母的寿命至关重要,并为更好地理解Pma1酶提供了信息。
We isolated a chronologically long-lived mutant of S. pombe. We identified one mutation in pma1+ gene that encoded for an essential P-type proton ATPase. The identified Asp-138 to Asn mutation resulted in reduced Pma1 activity. This was concomitant with an increase in the chronological lifespan of S. pombe. We isolated a chronologically long-lived mutant of Schizosaccharomyces pombe and found a new mutation in pma1+ that encoded for an essential P-type proton ATPase. An Asp-138 to Asn mutation resulted in reduced Pma1 activity, concomitant with an increase in the chronological lifespan of this fission yeast. This study corroborates our previous report indicating Pma1 activity is crucial for the determination of life span of fission yeast, and offers information for better understanding of the enzyme, Pma1.
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影响因子: 4.5
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