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PMID:14533688

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Citation

Gal, TZ, Glazer, I and Koltai, H (2003) Differential gene expression during desiccation stress in the insect-killing nematode Steinernema feltiae IS-6. J. Parasitol. 89:761-6

Abstract

The developmentally arrested life stage of the entomopathogenic nematode Steinernema feltiae is exposed to threats of survival, including desiccation. We adopted a comprehensive approach to the study of the molecular mechanisms of desiccation stress tolerance in S. feltiae IS-6. We identified, expressed sequence tags (ESTs) that are differentially expressed during desiccation stress in S. feltiae IS-6 infective juveniles using DNA subtractive hybridization. These ESTs included genes that are known to be stress related, genes that are homologous to hypothetical Caenorhabditis elegans proteins, and novel genes that may be involved in traits specific to S. feltiae. Expression pattern characterization revealed that all analyzed ESTs were induced during 8 and 24 hr of dehydration of S. feltiae IS-6. Our results unveiled some of the components of the genetic networks that are activated in S. feltiae IS-6 during dehydration and suggested a differing pattern of temporal regulation during nematode dehydration.

Links

PubMed Online version:10.1645/GE-3105

Keywords

Animals; Desiccation; Expressed Sequence Tags; Gene Expression Regulation/physiology; Gene Library; RNA, Helminth/isolation & purification; RNA, Messenger/isolation & purification; Reverse Transcriptase Polymerase Chain Reaction; Rhabditida/genetics; Rhabditida/physiology; Up-Regulation

Significance

Annotations

Gene product Qualifier GO Term Evidence Code with/from Aspect Extension Notes Status

CAEEL:G5EBW6

involved_in

GO:0009269: response to desiccation

ECO:0000250: sequence similarity evidence used in manual assertion

UniProtKB:Q95V77

P

Seeded From UniProt

complete

CAEEL:G5EDH9

involved_in

GO:0009269: response to desiccation

ECO:0000250: sequence similarity evidence used in manual assertion

UniProtKB:Q95V77

P

Seeded From UniProt

complete

CAEEL:G5EEF0

involved_in

GO:0009269: response to desiccation

ECO:0000250: sequence similarity evidence used in manual assertion

UniProtKB:Q95V77

P

Seeded From UniProt

complete

CAEEL:G5EFU3

involved_in

GO:0009269: response to desiccation

ECO:0000250: sequence similarity evidence used in manual assertion

UniProtKB:Q95V77

P

Seeded From UniProt

complete

CAEEL:G5EGB8

involved_in

GO:0009269: response to desiccation

ECO:0000250: sequence similarity evidence used in manual assertion

UniProtKB:Q95V77

P

Seeded From UniProt

complete

CAEEL:H2FLK3

involved_in

GO:0009269: response to desiccation

ECO:0000250: sequence similarity evidence used in manual assertion

UniProtKB:Q95V77

P

Seeded From UniProt

complete

CAEEL:H2FLK5

involved_in

GO:0009269: response to desiccation

ECO:0000250: sequence similarity evidence used in manual assertion

UniProtKB:Q95V77

P

Seeded From UniProt

complete

CAEEL:H2FLK7

involved_in

GO:0009269: response to desiccation

ECO:0000250: sequence similarity evidence used in manual assertion

UniProtKB:Q95V77

P

Seeded From UniProt

complete

CAEEL:H2FLK8

involved_in

GO:0009269: response to desiccation

ECO:0000250: sequence similarity evidence used in manual assertion

UniProtKB:Q95V77

P

Seeded From UniProt

complete

CAEEL:H2FLK9

involved_in

GO:0009269: response to desiccation

ECO:0000250: sequence similarity evidence used in manual assertion

UniProtKB:Q95V77

P

Seeded From UniProt

complete


See also

References

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