Draft genome sequences of Hirudo medicinalis and salivary transcriptome of three closely related medicinal leeches.
Anticoagulants
Genome
Haematophagy
Leech H. medicinalis
Systems biology
Journal
BMC genomics
ISSN: 1471-2164
Titre abrégé: BMC Genomics
Pays: England
ID NLM: 100965258
Informations de publication
Date de publication:
29 Apr 2020
29 Apr 2020
Historique:
received:
03
10
2019
accepted:
21
04
2020
entrez:
1
5
2020
pubmed:
1
5
2020
medline:
6
1
2021
Statut:
epublish
Résumé
Salivary cell secretion (SCS) plays a critical role in blood feeding by medicinal leeches, making them of use for certain medical purposes even today. We annotated the Hirudo medicinalis genome and performed RNA-seq on salivary cells isolated from three closely related leech species, H. medicinalis, Hirudo orientalis, and Hirudo verbana. Differential expression analysis verified by proteomics identified salivary cell-specific gene expression, many of which encode previously unknown salivary components. However, the genes encoding known anticoagulants have been found to be expressed not only in salivary cells. The function-related analysis of the unique salivary cell genes enabled an update of the concept of interactions between salivary proteins and components of haemostasis. Here we report a genome draft of Hirudo medicinalis and describe identification of novel salivary proteins and new homologs of genes encoding known anticoagulants in transcriptomes of three medicinal leech species. Our data provide new insights in genetics of blood-feeding lifestyle in leeches.
Sections du résumé
BACKGROUND
BACKGROUND
Salivary cell secretion (SCS) plays a critical role in blood feeding by medicinal leeches, making them of use for certain medical purposes even today.
RESULTS
RESULTS
We annotated the Hirudo medicinalis genome and performed RNA-seq on salivary cells isolated from three closely related leech species, H. medicinalis, Hirudo orientalis, and Hirudo verbana. Differential expression analysis verified by proteomics identified salivary cell-specific gene expression, many of which encode previously unknown salivary components. However, the genes encoding known anticoagulants have been found to be expressed not only in salivary cells. The function-related analysis of the unique salivary cell genes enabled an update of the concept of interactions between salivary proteins and components of haemostasis.
CONCLUSIONS
CONCLUSIONS
Here we report a genome draft of Hirudo medicinalis and describe identification of novel salivary proteins and new homologs of genes encoding known anticoagulants in transcriptomes of three medicinal leech species. Our data provide new insights in genetics of blood-feeding lifestyle in leeches.
Identifiants
pubmed: 32349672
doi: 10.1186/s12864-020-6748-0
pii: 10.1186/s12864-020-6748-0
pmc: PMC7191736
doi:
Substances chimiques
Anticoagulants
0
Salivary Proteins and Peptides
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
331Subventions
Organisme : Russian Science Foundation
ID : 17-75-20099
Organisme : Russian Science Foundation
ID : 14-14-00696
Commentaires et corrections
Type : ErratumIn
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