Flower development of Phalaenopsis orchid involves functionally divergent SEPALLATA ‐like genes

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Flower development of Phalaenopsis orchid involves functionally divergent SEPALLATA-like genes

The Phalaenopsis orchid produces complex flowers that are commercially valuable, which has promoted the study of its flower development. E-class MADS-box genes, SEPALLATA (SEP), combined with B-, C- and D-class MADS-box genes, are involved in various aspects of plant development, such as floral meristem determination, organ identity, fruit maturation, seed formation and plant architecture. Four...

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A De Novo Floral Transcriptome Reveals Clues into Phalaenopsis Orchid Flower Development

Phalaenopsis has a zygomorphic floral structure, including three outer tepals, two lateral inner tepals and a highly modified inner median tepal called labellum or lip; however, the regulation of its organ development remains unelucidated. We generated RNA-seq reads with the Illumina platform for floral organs of the Phalaenopsis wild-type and peloric mutant with a lip-like petal. A total of 43...

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Cloning and characterization of a PI-like MADS-box gene in Phalaenopsis orchid.

The highly evolved flowers of orchids have colorful sepals and fused columns that offer an opportunity to discover new genes involved in floral development in monocotyledon species. In this investigation, we cloned and characterized the homologous PISTALLATA-like (PI-like) gene PhPI15 (Phalaenopsis PI STILLATA # 15), from the Phalaenopsis hybrid cultivar. The protein sequence encoded by PhPI15 ...

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Interactions of B-class complex proteins involved in tepal development in Phalaenopsis orchid.

In our previous studies, we identified four DEFICIENS (DEF)-like genes and one GLOBOSA (GLO)-like gene involved in floral organ development in Phalaenopsis equestris. Revealing the DNA binding properties and protein-protein interactions of these floral homeotic MADS-box protein complexes (PeMADS) in orchids is crucial for the elucidation of the unique orchid floral morphogenesis. In this study,...

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A Modified ABCDE Model of Flowering in Orchids Based on Gene Expression Profiling Studies of the Moth Orchid Phalaenopsis aphrodite

Previously we developed genomic resources for orchids, including transcriptomic analyses using next-generation sequencing techniques and construction of a web-based orchid genomic database. Here, we report a modified molecular model of flower development in the Orchidaceae based on functional analysis of gene expression profiles in Phalaenopsis aphrodite (a moth orchid) that revealed novel role...

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ژورنال

عنوان ژورنال: New Phytologist

سال: 2014

ISSN: 0028-646X,1469-8137

DOI: 10.1111/nph.12723