Genomic and transcriptomic analysis of sacred fig (Ficus religiosa)
BMC Genomics(2022)
Abstract
Background Peepal/Bodhi tree ( Ficus religiosa L.) is an important, long-lived keystone ecological species. Communities on the Indian subcontinent have extensively employed the plant in Ayurveda, traditional medicine, and spiritual practices. The Peepal tree is often thought to produce oxygen both during the day and at night by Indian folks. The goal of our research was to produce molecular resources using whole-genome and transcriptome sequencing techniques.
Results The complete genome of the Peepal tree was sequenced using two next-generation sequencers Illumina HiSeq1000 and MGISEQ-2000. We assembled the draft genome of 406 Mb, using a hybrid assembly workflow. The genome annotation resulted in 35,093 protein-coding genes; 53% of its genome consists of repetitive sequences. To understand the physiological pathways in leaf tissues, we analyzed photosynthetically distinct conditions: bright sunny days and nights. The RNA-seq analysis supported the expression of 26,479 unigenes. The leaf transcriptomic analysis of the diurnal and nocturnal periods revealed the expression of the significant number of genes involved in the carbon-fixation pathway.
Conclusions This study presents a draft hybrid genome assembly for F. religiosa and its functional annotated genes. The genomic and transcriptomic data-derived pathways have been analyzed for future studies on the Peepal tree.
### Competing Interest Statement
The authors have declared no competing interest.
* BUSCO
: Benchmarking Universal Single-Copy Orthologous
ESTs
: Expressed Sequence Tags
PPR repeat
: Pentatricopeptide repeat
FPKM
: Fragments Per Kilobase of transcript per Million mapped reads
MSA
: Multiple Sequence Alignment
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