The YABBY Genes of Leaf and Leaf-Like Organ Polarity in Leafless Plant Monotropa hypopitys

International Journal of Genomics
A V ShchennikovaK G Skryabin

Abstract

Monotropa hypopitys is a mycoheterotrophic, nonphotosynthetic plant acquiring nutrients from the roots of autotrophic trees through mycorrhizal symbiosis, and, similar to other extant plants, forming asymmetrical lateral organs during development. The members of the YABBY family of transcription factors are important players in the establishment of leaf and leaf-like organ polarity in plants. This is the first report on the identification of YABBY genes in a mycoheterotrophic plant devoid of aboveground vegetative organs. Seven M. hypopitys YABBY members were identified and classified into four clades. By structural analysis of putative encoded proteins, we confirmed the presence of YABBY-defining conserved domains and identified novel clade-specific motifs. Transcriptomic and qRT-PCR analyses of different tissues revealed MhyYABBY transcriptional patterns, which were similar to those of orthologous YABBY genes from other angiosperms. These data should contribute to the understanding of the role of the YABBY genes in the regulation of developmental and physiological processes in achlorophyllous leafless plants.

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Citations

May 1, 2021·International Journal of Molecular Sciences·Marina A RomanovaOlga V Voitsekhovskaja

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Datasets Mentioned

BETA
AF136538
AF136539

Methods Mentioned

BETA
RNA-seq
PCR
nucleotide exchange
transcription profiling

Software Mentioned

Venny
MEME
Bowtie 2
Clone Manager
MEME ( Expectation Maximization for Elicitation )
RSEM
GraphPad Prism
Bowtie
MEGA7
ClustalX

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