Proteomic analysis of silk gland programmed cell death during metamorphosis of the silkworm Bombyx mori.

Proteomic analysis of silk gland programmed cell death during metamorphosis of the silkworm Bombyx mori. Research Abstract Details 

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Proteomic analysis of silk gland programmed cell death during metamorphosis of the silkworm Bombyx mori. Abstract Text:

Shi-hai Jia,Mu-wang Li,Bo Zhou,Wen-bin Liu,Yong Zhang,Xue-xia Miao,Rong Zeng,Yong-ping Huang,

The silk gland of the silkworm Bombyx mori undergoes programmed cell death (PCD) during pupal metamorphosis. On the basis of their morphological changes and the occurrence of a DNA ladder, the tissue cells were categorized into three groups: intact, committed, and dying. To identify the proteins involved in this process, we conducted a comparative proteomic analysis. Protein expression changes among the three different cell types were examined by two-dimensional gel electrophoresis. Among approximately 1000 reproducibly detected protein spots on each gel, 43 were down-regulated and 34 were up-regulated in PCD process. Mass spectrometry identified 17 differentially expressed proteins, including some well-studied proteins as well as some novel PCD related proteins, such as caspases, proteasome subunit, elongation factor, heat shock protein, and hypothetical proteins. Our results suggest that these proteins may participate in the silk gland PCD process of B. mori and, thus, provide new insights for this mechanism.

Proteomic analysis of silk gland programmed cell death during metamorphosis of the silkworm Bombyx mori. Publishing Authors By Initials

SH Jia,MW Li,B Zhou,WB Liu,Y Zhang,XX Miao,R Zeng,YP Huang,

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Proteomic analysis of silk gland programmed cell death during metamorphosis of the silkworm Bombyx mori. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Journal of proteome research

VOLUME: 6

Page Numbers: 3003-10

Journal Abbreviation: J. Proteome Res.

ISSN: 1535-3893

DAY: 4

MONTH: 07

YEAR: 2007

Proteomic analysis of silk gland programmed cell death during metamorphosis of the silkworm Bombyx mori. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Proteomic analysis of silk gland programmed cell death during metamorphosis of the silkworm Bombyx mori.

AFFILIATION: Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200032, PR China.

Country: United States

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MEDLINETA: J Proteome Res

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