Two distinct types of neuronal asymmetries are controlled by the Caenorhabditis elegans zinc finger transcription factor die-1.
Two distinct types of neuronal asymmetries are controlled by the Caenorhabditis elegans zinc finger transcription factor die-1.
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DOI:
10.1101/gad.233643.113
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发表时间:
2014-01-01
影响因子:
10.5
通讯作者:
Hobert O
中科院分区:
文献类型:
--
作者:
Cochella L;Tursun B;Hsieh YW;Galindo S;Johnston RJ;Chuang CF;Hobert O
Left/right asymmetric features of the body are either randomly distributed on either the left or right side within a population (antisymmetries) or found on one particular side (directional asymmetries). Nervous systems display both types of asymmetries, but it is unknown whether shared regulators establish them. Here, Cochella et al. show that the transcription factor die-1 controls both antisymmetry and directional asymmetry in distinct sensory systems in C. elegans. This study uncovers the first molecular link between two different kinds of body plan asymmetries. Left/right asymmetric features of animals are either randomly distributed on either the left or right side within a population (“antisymmetries”) or found stereotypically on one particular side of an animal (“directional asymmetries”). Both types of asymmetries can be found in nervous systems, but whether the regulatory programs that establish these asymmetries share any mechanistic features is not known. We describe here an unprecedented molecular link between these two types of asymmetries in Caenorhabditis elegans. The zinc finger transcription factor die-1 is expressed in a directionally asymmetric manner in the gustatory neuron pair ASE left (ASEL) and ASE right (ASER), while it is expressed in an antisymmetric manner in the olfactory neuron pair AWC left (AWCL) and AWC right (AWCR). Asymmetric die-1 expression is controlled in a fundamentally distinct manner in these two neuron pairs. Importantly, asymmetric die-1 expression controls the directionally asymmetric expression of gustatory receptor proteins in the ASE neurons and the antisymmetric expression of olfactory receptor proteins in the AWC neurons. These asymmetries serve to increase the ability of the animal to discriminate distinct chemosensory inputs.
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DOI:
10.1016/j.cub.2009.05.043
发表时间:
2009-06-23
期刊:
Current biology : CB
影响因子:
--
作者:
Ortiz CO;Faumont S;Takayama J;Ahmed HK;Goldsmith AD;Pocock R;McCormick KE;Kunimoto H;Iino Y;Lockery S;Hobert O
通讯作者:
Hobert O
影响因子:
10.5
作者:
Chuang, CF;Bargmann, CI
通讯作者:
Bargmann, CI
影响因子:
4.6
作者:
Kim, Kyuhyung;Kim, Rinho;Sengupta, Piali
通讯作者:
Sengupta, Piali
影响因子:
64.5
作者:
Sagasti, A;Hisamoto, N;Bargmann, CI
通讯作者:
Bargmann, CI
影响因子:
4.6
作者:
Johnston, Robert J., Jr.;Copeland, John W.;Hobert, Oliver
通讯作者:
Hobert, Oliver