The chloroplasts genome encodes several key proteins that involves in the process of the photosynthesis and also in other metabolic processes important for growth and development, yield, biomass, and plant interactions with their environment. The present study aimed to sequencing of cp genome of Fagonia indica Burm.f (Zygophyllaceae), -a plant that occurs even in the hot desert condition of the inner zone of Rub' al-Khali (the Empty Quarter) of south-central Arabia, and its comparative analyses with the representative of the sequence of the different categories [viz. (a) with the other member of the family Zygophyllaceae, and with the representatives from: (b) different clade of the angiosperms, (c) flowering plants occurs in different major habitats, (d) different groups of plants, (e) different group of plants having range of biomass, (f) C3 and C4 plants, and (g) the representative from very common, rare and major high yielding crop of the world] to unravel the genetic pattern of similarity and variations. The comparison of F. indica genome in different categories showed strong evidence and further support for the conservative pattern of chloroplast genome, the coding and non-coding region remains conserved even in phylogenetically distant eukaryotic clades, and might not have the sole roles in organism's yield, rarity or abundance and biomass, and in encountering the stress. Nevertheless, the result could be useful for molecular phylogenetic and molecular ecological and molecular mechanism of photosynthesis.
Keywords: Biomass; Crop; Fagonia indica; Habitats; Photosynthesis; Zygophyllaceae; cp DNA.
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