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Changes in Caenorhabditis elegans gene expression following exposure to Photorhabdus luminescens strain TT01.

Abstract：

:Photorhabdus bacteria enter into a mutualistic symbiosis with Heterorhabditis nematodes to infect insect larvae. However, they rapidly kill the model nematode Caenorhabditis elegans. One hypothesis for these divergent outcomes is that the nematode defense responses differ. To begin testing this hypothesis, we have systematically analyzed available data on the transcriptional response of C. elegans to P. luminescens strain Hb. From a starting pool of over 7000 differentially expressed genes, we carefully chose 21 Heterorhabditis-conserved genes to develop as comparative markers. Using newly designed and validated qRT-PCR primers, we measured expression of these genes in C. elegans exposed to the sequenced TT01 strain of P. luminescens, on two different media types. Almost all (18/21) of the genes showed a significant response to P. luminescens strain TT01. One response is dependent on media type, and a subset of genes may respond differentially to distinct strains. Overall, we have established useful resources and generated new hypotheses regarding how C. elegans responds to P. luminescens infection.

journal_name

Dev Comp Immunol

journal_title

Developmental and comparative immunology

authors

Hoinville ME,Wollenberg AC

doi

10.1016/j.dci.2017.09.005

subject

Has Abstract

pub_date

2018-05-01 00:00:00

pages

165-176

eissn

0145-305X

issn

1879-0089

pii

S0145-305X(17)30309-9

journal_volume

82

pub_type

杂志文章

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