Evidence map›Paper›PMID 20017753›Full record

ArticleInsect molecular biology2010

Analysis of Rickettsia typhi-infected and uninfected cat flea (Ctenocephalides felis) midgut cDNA libraries: deciphering molecular pathways involved in host response to R. typhi infection.

S M Dreher-Lesnick, S M Ceraul, S C Lesnick, J J Gillespie, J M Anderson, R C Jochim, J G Valenzuela, A F Azad

Abstract read
In one paragraph

Article in Insect molecular biology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
0.9field-weighted citation impact, top 28% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

20 citing papers in PubMed, 25 citations in OpenAlex.

  1. Article
  2. Environmental and Host Blood Interactions ShapePathogens (Basel, Switzerland) · 2026
    Article
  3. Article
  4. Chemical modulation of IMD signaling in the cat flea (Current research in insect science · 2026
    Article
  5. Review
  6. Article
  7. Review
  8. Review
  9. Salivary glands of the cat flea,Current research in insect science · 2024
    Review
  10. Feeding on aPathogens (Basel, Switzerland) · 2023
    Article
  11. Article
  12. Using Proteomic Approaches to Unravel the Response ofFrontiers in cellular and infection microbiology · 2022
    Article
  13. Review
  14. Article
  15. Article
  16. Article
  17. Article
  18. Article
  19. Review
  20. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors at 5 institutions in 2 countries.

S M Dreher-LesnickDepartment of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
S M Ceraul
S C Lesnick
J J Gillespie
J M Anderson
R C Jochim
J G Valenzuela
A F Azad
University of Maryland, Baltimore · USNational Institute of Allergy and Infectious Diseases · USBioinformatics Institute · SGUniversity of Maryland, College Park · USVector (United States) · US

Funding

Molecular approaches to understand vector-host and vector-pathogen interactionsZIAAI000932 · NIAID · NATIONAL INSTITUTE OF ALLERGY AND INFECTIOUS DISEASES · PI VALENZUELA, JESUS · 2009 to 2025
$23.1M
MURINE TYPHUS: VECTOR BIOLOGY AND TRANSMISSIONR01AI017828 · NIAID · UNIVERSITY OF MARYLAND BALTIMORE · PI RAHMAN, MOHAMMED SAYEEDUR · 1985 to 2022
$10.2M
Murine Typhus: Vector Biology &TransmissionR37AI017828 · NIAID · UNIVERSITY OF MARYLAND BALTIMORE · PI AZAD, ABDU F · 1998 to 2007
$3.6M
INTERSPECIFIC COMPETITION BETWEEN RICKETTSIAE IN TICKSR01AI043006 · NIAID · UNIVERSITY OF MARYLAND BALTIMORE · PI AZAD, ABDU F · 1998 to 2014
$3.3M
Generation of Genetically Attenuated RickettsiaeR01AI059118 · NIAID · UNIVERSITY OF MARYLAND BALTIMORE · PI AZAD, ABDU F · 2005 to 2009
$2.1M
Molecular approaches to understand vector-host and vector-pathogen interactionsZ01AI000932 · NIAID · NIAID EXTRAMURAL ACTIVITIES · PI VALENZUELA, JESUS · 2003 to 2008
$1.9M
Intramural NIH HHS Z01 AI000932Intramural NIH HHS ZIA AI000932NIAID NIH HHS AI017828NIAID NIH HHS AI043006NIAID NIH HHS AI59118NIAID NIH HHS R01 AI017828NIAID NIH HHS R01 AI043006NIAID NIH HHS R01 AI059118NIAID NIH HHS R37 AI017828
6 · The paper itself

Abstract

Murine typhus is a flea-borne febrile illness that is caused by the obligate intracellular bacterium, Rickettsia typhi. The cat flea, Ctenocephalides felis, acquires R. typhi by imbibing a bloodmeal from a rickettsemic vertebrate host. To explore which transcripts are expressed in the midgut in response to challenge with R. typhi, cDNA libraries of R. typhi-infected and uninfected midguts of C. felis were constructed. In this study, we examined midgut transcript levels for select C. felis serine proteases, GTPases and defence response genes, all thought to be involved in the fleas response to feeding or infection. An increase in gene expression was observed for the serine protease inhibitors and vesicular trafficking proteins in response to feeding. In addition, R. typhi infection resulted in an increase in gene expression for the chymotrypsin and rab5 that we studied. Interestingly, R. typhi infection had little effect on expression of any of the defence response genes that we studied. We are unsure as to the physiological significance of these gene expression profiles and are currently investigating their potential roles as it pertains to R. typhi infection. To our knowledge, this is the first report of differential expression of flea transcripts in response to infection with R. typhi.

Indexed as

Amino Acid SequenceAnimalsBase SequenceCatsDigestive SystemDNA PrimersGene ExpressionGene LibraryGenes, InsectHost-Pathogen InteractionsInsect VectorsMolecular Sequence DataPeptide HydrolasesRickettsia typhiSequence Homology, Amino AcidSiphonapteraDNA PrimersPeptide Hydrolases

Identifiers

PMID20017753
PMCPMC3179627
OpenAlexW1985415430

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.