Complete chloroplast genome of the desert date (Balanites aegyptiaca (L.) Del. comparative analysis, and phylogenetic relationships among the members of Zygophyllaceae.
Balanites aegyptiaca
Comparative analysis
Genome structure
Phylogenetic relationship
Plastome
Zygophyllaceae
Journal
BMC genomics
ISSN: 1471-2164
Titre abrégé: BMC Genomics
Pays: England
ID NLM: 100965258
Informations de publication
Date de publication:
31 Aug 2022
31 Aug 2022
Historique:
received:
09
01
2022
accepted:
18
08
2022
entrez:
31
8
2022
pubmed:
1
9
2022
medline:
8
9
2022
Statut:
epublish
Résumé
Balanites aegyptiaca (L.) Delile, commonly known as desert date, is a thorny evergreen tree belonging to the family Zygophyllaceae and subfamily Tribuloideae that is widespread in arid and semiarid regions. This plant is an important source of food and medicines and plays an important role in conservation strategies for restoring degraded desert ecosystems. In the present study, we sequenced the complete plastome of B. aegyptiaca. The chloroplast genome was 155,800 bp, with a typical four-region structure: a large single copy (LSC) region of 86,562 bp, a small single copy (SSC) region of 18,102 bp, and inverted repeat regions (IRa and IRb) of 25,568 bp each. The GC content was 35.5%. The chloroplast genome of B. aegyptiaca contains 107 genes, 75 of which coding proteins, 28 coding tRNA, and 4 coding rRNA. We did not observe a large loss in plastid genes or a reduction in the genome size in B. aegyptiaca, as found previously in some species belonging to the family Zygophyllaceae. However, we noticed a divergence in the location of certain genes at the IR-LSC and IR-SSC boundaries and loss of ndh genes relative to other species. Furthermore, the phylogenetic tree constructed from the complete chloroplast genome data broadly supported the taxonomic classification of B. aegyptiaca as belonging to the Zygophyllaceae family. The plastome of B. aegyptiaca was found to be rich in single sequence repeats (SSRs), with a total of 240 SSRs. The genomic data available from this study could be useful for developing molecular markers to evaluate population structure, investigate genetic variation, and improve production programs for B. aegyptiaca. Furthermore, the current data will support future investigation of the evolution of the family Zygophyllaceae.
Sections du résumé
BACKGROUND
BACKGROUND
Balanites aegyptiaca (L.) Delile, commonly known as desert date, is a thorny evergreen tree belonging to the family Zygophyllaceae and subfamily Tribuloideae that is widespread in arid and semiarid regions. This plant is an important source of food and medicines and plays an important role in conservation strategies for restoring degraded desert ecosystems.
RESULTS
RESULTS
In the present study, we sequenced the complete plastome of B. aegyptiaca. The chloroplast genome was 155,800 bp, with a typical four-region structure: a large single copy (LSC) region of 86,562 bp, a small single copy (SSC) region of 18,102 bp, and inverted repeat regions (IRa and IRb) of 25,568 bp each. The GC content was 35.5%. The chloroplast genome of B. aegyptiaca contains 107 genes, 75 of which coding proteins, 28 coding tRNA, and 4 coding rRNA. We did not observe a large loss in plastid genes or a reduction in the genome size in B. aegyptiaca, as found previously in some species belonging to the family Zygophyllaceae. However, we noticed a divergence in the location of certain genes at the IR-LSC and IR-SSC boundaries and loss of ndh genes relative to other species. Furthermore, the phylogenetic tree constructed from the complete chloroplast genome data broadly supported the taxonomic classification of B. aegyptiaca as belonging to the Zygophyllaceae family. The plastome of B. aegyptiaca was found to be rich in single sequence repeats (SSRs), with a total of 240 SSRs.
CONCLUSIONS
CONCLUSIONS
The genomic data available from this study could be useful for developing molecular markers to evaluate population structure, investigate genetic variation, and improve production programs for B. aegyptiaca. Furthermore, the current data will support future investigation of the evolution of the family Zygophyllaceae.
Identifiants
pubmed: 36045328
doi: 10.1186/s12864-022-08850-9
pii: 10.1186/s12864-022-08850-9
pmc: PMC9434970
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
626Informations de copyright
© 2022. The Author(s).
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