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Human ABCE1 exhibits temperature-dependent heterologous co-functionality in S. cerevisiae.


ABSTRACT: ABCE1 protein (Rli1 in Saccharomyces cerevisiae) is a unique ribosome recycling factor that is composed of an N-terminal FeS cluster domain and two ATPase domains. Here, we report that heterologous expression of human ABCE1 in S. cerevisiae is unable to complement conditional knockout of ABCE1 (Rli1), at a typical experimental temperature of 30 °C. However, low but significant growth was observed at high temperature, 37 °C. Considering the close interaction of ABCE1 with translation factors and ribosomal components, the observed temperature-dependent complementation may be attributed to heterologous co-functionality of ABCE1 with S. cerevisiae factor(s), and might reflect functional upregulation of human ABCE1 at its functional temperature.

SUBMITTER: Wada M 

PROVIDER: S-EPMC9527587 | biostudies-literature | 2022 Oct

REPOSITORIES: biostudies-literature

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Human ABCE1 exhibits temperature-dependent heterologous co-functionality in S. cerevisiae.

Wada Miki M   Ito Koichi K  

FEBS open bio 20220719 10


ABCE1 protein (Rli1 in Saccharomyces cerevisiae) is a unique ribosome recycling factor that is composed of an N-terminal FeS cluster domain and two ATPase domains. Here, we report that heterologous expression of human ABCE1 in S. cerevisiae is unable to complement conditional knockout of ABCE1 (Rli1), at a typical experimental temperature of 30 °C. However, low but significant growth was observed at high temperature, 37 °C. Considering the close interaction of ABCE1 with translation factors and  ...[more]

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