Organelle Genome Inheritance in Deparia Ferns (Athyriaceae, Aspleniineae, Polypodiales)

Frontiers in Plant Science
Li-Yaung KuoChun-Neng Wang

Abstract

Organelle genomes of land plants are predominately inherited maternally but in some cases can also be transmitted paternally or biparentally. Compared to seed plants (>83% genera of angiosperms and >12% genera of gymnosperms), plastid genome (plastome) inheritance has only been investigated in fewer than 2% of fern genera, and mitochondrial genome (mitogenome) from only one fern genus. We developed a new and efficient method to examine plastome and mitogenome inheritance in a fern species-Deparia lancea (Athyriaceae, Aspleniineae, Polypodiales), and found that plastid and mitochondrial DNAs were transmitted from only the maternal parentage to a next generation. To further examine whether both organelle genomes have the same manner of inheritance in other Deparia ferns, we sequenced both plastid and mitochondrial DNA regions of inter-species hybrids, and performed phylogenetic analyses to identify the origins of organellar DNA. Evidence from our experiments and phylogenetic analyses support that both organelle genomes in Deparia are uniparentally and maternally inherited. Most importantly, our study provides the first report of mitogenome inheritance in eupolypod ferns, and the second one among all ferns.

References

Nov 1, 1991·Plant Molecular Biology·P TaberletJ Bouvet
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May 20, 2009·Bioinformatics·Heng Li, Richard Durbin
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Feb 23, 2017·Annual Review of Plant Biology·José M Gualberto, Kathleen J Newton

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Citations

Sep 24, 2019·American Journal of Botany·Paul G WolfJohn A Thomson
Jan 24, 2019·BMC Plant Biology·Tapan Kumar MohantaAhmed Al-Harrasi
May 22, 2019·Molecular Phylogenetics and Evolution·Tzu-Tong KaoCarl J Rothfels

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Datasets Mentioned

BETA
MH124207-35

Methods Mentioned

BETA
genotyping
flow cytometry
PCR
electrophoresis
PCRs

Software Mentioned

IQ
Geneious
NOVOPlasty
bwa
TREE

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