Abstract:
:A nuclear gene, FLOWERING LOCUS T (FT) homolog, was cloned from Phyllostachys meyeri as PmFT. Its putative copy number was estimated as four by Southern blot analysis, and the two copies were completely sequenced. Twenty-seven FT homolog sequences of bambusoid and early diverging grasses comprised 172-bp exons, and 357- to 785-bp introns exhibited 0-58.9% pairwise divergence with six modal levels. Parsimony analyses of the FT homologs rooted at Pharus virescens produced six equally parsimonious trees. In the strict consensus tree, five clades were resolved; they were affected by divergence of the intron region rather than exon region. The basal clade was Puelioideae, followed by Olyreae clade including Oryza sativa. Streptogyneae clade combined the Olyreae clade with terminal sister clades of the Bambuseae, i.e., pantropical bamboos and East Asiatic temperate bamboos. The global topology suggested that FT homologs are significant for resolving the tribe level. However, the phylogeny of FT homologs does not resolve monophyly in Bambusoideae because of intercalary positioning by Streptogyneae clade. We discussed the role of FT homologs in controlling the inflorescence architecture and position of Streptogyneae in the bamboo phylogeny.
journal_name
J Plant Resjournal_title
Journal of plant researchauthors
Hisamoto Y,Kashiwagi H,Kobayashi Mdoi
10.1007/s10265-008-0181-9subject
Has Abstractpub_date
2008-09-01 00:00:00pages
451-61issue
5eissn
0918-9440issn
1618-0860journal_volume
121pub_type
杂志文章abstract::We discovered that some tree species have leaves whose adaxial sides show bright green-blue fluorescence upon exposure to ultraviolet irradiation. In total, 141 native Japanese species belonging to 47 families were analyzed, and the brightness of the leaf fluorescence, represented by the L* values (Lab color space) of...
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