Longitudinal map of transcriptome changes in the Lyme pathogen Borrelia burgdorferi during tick-borne transmission

Borrelia burgdorferi (Bb), the causative agent of Lyme disease, adapts to vastly different environments as it cycles between tick vector and vertebrate host. During a tick bloodmeal, Bb alters its gene expression to prepare for vertebrate infection; however, the full range of transcriptional changes...

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Main Authors: Anne L Sapiro, Beth M Hayes, Regan F Volk, Jenny Y Zhang, Diane M Brooks, Calla Martyn, Atanas Radkov, Ziyi Zhao, Margie Kinnersley, Patrick R Secor, Balyn W Zaro, Seemay Chou
Format: Article
Language:English
Published: eLife Sciences Publications Ltd 2023-07-01
Series:eLife
Subjects:
Online Access:https://elifesciences.org/articles/86636
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author Anne L Sapiro
Beth M Hayes
Regan F Volk
Jenny Y Zhang
Diane M Brooks
Calla Martyn
Atanas Radkov
Ziyi Zhao
Margie Kinnersley
Patrick R Secor
Balyn W Zaro
Seemay Chou
author_facet Anne L Sapiro
Beth M Hayes
Regan F Volk
Jenny Y Zhang
Diane M Brooks
Calla Martyn
Atanas Radkov
Ziyi Zhao
Margie Kinnersley
Patrick R Secor
Balyn W Zaro
Seemay Chou
author_sort Anne L Sapiro
collection DOAJ
description Borrelia burgdorferi (Bb), the causative agent of Lyme disease, adapts to vastly different environments as it cycles between tick vector and vertebrate host. During a tick bloodmeal, Bb alters its gene expression to prepare for vertebrate infection; however, the full range of transcriptional changes that occur over several days inside of the tick are technically challenging to capture. We developed an experimental approach to enrich Bb cells to longitudinally define their global transcriptomic landscape inside nymphal Ixodes scapularis ticks during a transmitting bloodmeal. We identified 192 Bb genes that substantially change expression over the course of the bloodmeal from 1 to 4 days after host attachment. The majority of upregulated genes encode proteins found at the cell envelope or proteins of unknown function, including 45 outer surface lipoproteins embedded in the unusual protein-rich coat of Bb. As these proteins may facilitate Bb interactions with the host, we utilized mass spectrometry to identify candidate tick proteins that physically associate with Bb. The Bb enrichment methodology along with the ex vivo Bb transcriptomes and candidate tick interacting proteins presented here provide a resource to facilitate investigations into key determinants of Bb priming and transmission during the tick stage of its unique transmission cycle.
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spelling doaj.art-3bcf6b0045144e6095c02a956117cc582023-07-14T10:24:50ZengeLife Sciences Publications LtdeLife2050-084X2023-07-011210.7554/eLife.86636Longitudinal map of transcriptome changes in the Lyme pathogen Borrelia burgdorferi during tick-borne transmissionAnne L Sapiro0https://orcid.org/0000-0002-6612-8272Beth M Hayes1https://orcid.org/0000-0001-6633-751XRegan F Volk2https://orcid.org/0000-0001-6748-719XJenny Y Zhang3https://orcid.org/0000-0003-1352-8018Diane M Brooks4Calla Martyn5Atanas Radkov6Ziyi Zhao7Margie Kinnersley8Patrick R Secor9https://orcid.org/0000-0001-7123-3037Balyn W Zaro10https://orcid.org/0000-0002-8938-9889Seemay Chou11Department of Biochemistry & Biophysics, University of California, San Francisco, San Francisco, United StatesDepartment of Biochemistry & Biophysics, University of California, San Francisco, San Francisco, United StatesDepartment of Pharmaceutical Chemistry and Cardiovascular Research Institute, University of California, San Francisco, San Francisco, United StatesDepartment of Biochemistry & Biophysics, University of California, San Francisco, San Francisco, United StatesDivision of Biological Sciences, University of Montana, Missoula, United StatesDepartment of Biochemistry & Biophysics, University of California, San Francisco, San Francisco, United StatesDepartment of Biochemistry & Biophysics, University of California, San Francisco, San Francisco, United StatesDepartment of Biochemistry & Biophysics, University of California, San Francisco, San Francisco, United StatesDivision of Biological Sciences, University of Montana, Missoula, United StatesDivision of Biological Sciences, University of Montana, Missoula, United StatesDepartment of Pharmaceutical Chemistry and Cardiovascular Research Institute, University of California, San Francisco, San Francisco, United StatesDepartment of Biochemistry & Biophysics, University of California, San Francisco, San Francisco, United StatesBorrelia burgdorferi (Bb), the causative agent of Lyme disease, adapts to vastly different environments as it cycles between tick vector and vertebrate host. During a tick bloodmeal, Bb alters its gene expression to prepare for vertebrate infection; however, the full range of transcriptional changes that occur over several days inside of the tick are technically challenging to capture. We developed an experimental approach to enrich Bb cells to longitudinally define their global transcriptomic landscape inside nymphal Ixodes scapularis ticks during a transmitting bloodmeal. We identified 192 Bb genes that substantially change expression over the course of the bloodmeal from 1 to 4 days after host attachment. The majority of upregulated genes encode proteins found at the cell envelope or proteins of unknown function, including 45 outer surface lipoproteins embedded in the unusual protein-rich coat of Bb. As these proteins may facilitate Bb interactions with the host, we utilized mass spectrometry to identify candidate tick proteins that physically associate with Bb. The Bb enrichment methodology along with the ex vivo Bb transcriptomes and candidate tick interacting proteins presented here provide a resource to facilitate investigations into key determinants of Bb priming and transmission during the tick stage of its unique transmission cycle.https://elifesciences.org/articles/86636Borrelia burgdorferiIxodes scapularisLyme diseaseticksgene expressionhost-microbe interactions
spellingShingle Anne L Sapiro
Beth M Hayes
Regan F Volk
Jenny Y Zhang
Diane M Brooks
Calla Martyn
Atanas Radkov
Ziyi Zhao
Margie Kinnersley
Patrick R Secor
Balyn W Zaro
Seemay Chou
Longitudinal map of transcriptome changes in the Lyme pathogen Borrelia burgdorferi during tick-borne transmission
eLife
Borrelia burgdorferi
Ixodes scapularis
Lyme disease
ticks
gene expression
host-microbe interactions
title Longitudinal map of transcriptome changes in the Lyme pathogen Borrelia burgdorferi during tick-borne transmission
title_full Longitudinal map of transcriptome changes in the Lyme pathogen Borrelia burgdorferi during tick-borne transmission
title_fullStr Longitudinal map of transcriptome changes in the Lyme pathogen Borrelia burgdorferi during tick-borne transmission
title_full_unstemmed Longitudinal map of transcriptome changes in the Lyme pathogen Borrelia burgdorferi during tick-borne transmission
title_short Longitudinal map of transcriptome changes in the Lyme pathogen Borrelia burgdorferi during tick-borne transmission
title_sort longitudinal map of transcriptome changes in the lyme pathogen borrelia burgdorferi during tick borne transmission
topic Borrelia burgdorferi
Ixodes scapularis
Lyme disease
ticks
gene expression
host-microbe interactions
url https://elifesciences.org/articles/86636
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