CAL1 is the Drosophila CENP-A assembly factor.
CAL1 is the Drosophila CENP-A assembly factor.
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DOI:
10.1083/jcb.201305036
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发表时间:
2014-02-03
期刊:
影响因子:
--
通讯作者:
Mellone BG
中科院分区:
文献类型:
--
作者:
Chen CC;Dechassa ML;Bettini E;Ledoux MB;Belisario C;Heun P;Luger K;Mellone BG
Representing a unique family of histone assembly factors, CAL1 assembles the histone H3 variant CENP-A on centromeric DNA in Drosophila. Centromeres are specified epigenetically by the incorporation of the histone H3 variant CENP-A. In humans, amphibians, and fungi, CENP-A is deposited at centromeres by the HJURP/Scm3 family of assembly factors, but homologues of these chaperones are absent from a number of major eukaryotic lineages such as insects, fish, nematodes, and plants. In Drosophila, centromeric deposition of CENP-A requires the fly-specific protein CAL1. Here, we show that targeting CAL1 to noncentromeric DNA in Drosophila cells is sufficient to heritably recruit CENP-A, kinetochore proteins, and microtubule attachments. CAL1 selectively interacts with CENP-A and is sufficient to assemble CENP-A nucleosomes that display properties consistent with left-handed octamers. The CENP-A assembly activity of CAL1 resides within an N-terminal domain, whereas the C terminus mediates centromere recognition through an interaction with CENP-C. Collectively, this work identifies the “missing” CENP-A chaperone in flies, revealing fundamental conservation between insect and vertebrate centromere-specification mechanisms.
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影响因子:
16
作者:
Camahort, Raymond;Shivaraju, Manjunatha;Mattingly, Mark;Li, Bing;Nakanishi, Shima;Zhu, Dongxiao;Shilatifard, Ali;Workman, Jerry L.;Gerton, Jennifer L.
通讯作者:
Gerton, Jennifer L.
DOI:
10.1083/jcb.201001013
发表时间:
2010-06-28
期刊:
The Journal of cell biology
影响因子:
--
作者:
Carroll CW;Milks KJ;Straight AF
通讯作者:
Straight AF
影响因子:
1.6
作者:
Henikoff S;Furuyama T
通讯作者:
Furuyama T
影响因子:
9.8
作者:
Dalal Y;Wang H;Lindsay S;Henikoff S
通讯作者:
Henikoff S
影响因子:
4.3
作者:
Aravind, L.;Iyer, Lakshminarayan M.;Wu, Carl
通讯作者:
Wu, Carl