Increased CiFT abundance in the stem correlates with floral induction by low temperature in Satsuma mandarin (Citrus unshiu Marc.).

Increased CiFT abundance in the stem correlates with floral induction by low temperature in Satsuma mandarin (Citrus unshiu Marc.). Research Abstract Details 

Research Abstract Table of Contents

Jump to the:

Increased CiFT abundance in the stem correlates with floral induction by low temperature in Satsuma mandarin (Citrus unshiu Marc.). Abstract Text:

Fumie Nishikawa,Tomoko Endo,Takehiko Shimada,Hiroshi Fujii,Tokurou Shimizu,Mitsuo Omura,Yoshinori Ikoma,Fumie Nishikawa,Tomoko Endo,Takehiko Shimada,Hiroshi Fujii,Tokurou Shimizu,Mitsuo Omura,Yoshinori Ikoma,

After several years in the juvenile phase, adult citrus trees show seasonal periodicity of flowering. A prolonged exposure to low temperature is one of the most important environmental cues for floral induction in citrus. In the present study, the expression of flowering-related genes during the annual cycle of flowering and inductive low-temperature treatment in Satsuma mandarin (Citrus unshiu Marc.) trees is investigated. Simultaneously, floral induction, which occurs before the period of morphological flower development, was estimated as the number of flowers after the forcing of sprouting by defoliation at 25 degrees C. The expression of citrus FLOWERING LOCUS T homologues, CiFT, showed a seasonal increase during the floral induction period and was also induced by an artificial low-temperature treatment (15 degrees C) at which floral induction occurred. By contrast, the mRNA level of CiFT did not show any distinct changes following a warm-temperature treatment (25 degrees C) for 2.5 months, during which time floral induction was completely suppressed. Changes in the expression of the citrus homologues of TERMINAL FLOWER 1, LEAFY, and APETALA1 did not show any correlation with floral induction in the field or under artificial low-temperature conditions. In juvenile seedlings of Satsuma mandarin, which does not flower even under inductive low-temperature conditions, the mRNA levels of CiFT were not affected by the low-temperature treatment, unlike adult tissues. These results suggest that low temperature promotes floral induction via the activation of CiFT transcription in adult Satsuma mandarin trees and that, in the juvenile plant, CiFT transcription does not respond to low temperature.

Increased CiFT abundance in the stem correlates with floral induction by low temperature in Satsuma mandarin (Citrus unshiu Marc.). Publishing Authors By Initials

F Nishikawa,T Endo,T Shimada,H Fujii,T Shimizu,M Omura,Y Ikoma,F Nishikawa,T Endo,T Shimada,H Fujii,T Shimizu,M Omura,Y Ikoma,

For similar abstracts research abstracts see: abstracts research

PUBMED ID PMID:

MEDLINE DATE:

Increased CiFT abundance in the stem correlates with floral induction by low temperature in Satsuma mandarin (Citrus unshiu Marc.). Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of experimental botany

VOLUME: 58

Page Numbers: 3915-27

Journal Abbreviation:

ISSN: 0022-0957

DAY: 13

MONTH: 11

YEAR: 2007

Increased CiFT abundance in the stem correlates with floral induction by low temperature in Satsuma mandarin (Citrus unshiu Marc.). Information

Number of References:

LANGUAGE: eng

NlmUniqueID: 9882906

Increased CiFT abundance in the stem correlates with floral induction by low temperature in Satsuma mandarin (Citrus unshiu Marc.). Keywords Mesh Terms:

KEYWORDS:

MESH TERMS:

Chemical & Substance for Abstract: Increased CiFT abundance in the stem correlates with floral induction by low temperature in Satsuma mandarin (Citrus unshiu Marc.). Information

Substance Name:

Registry Number:

Grant and Affiliation Information for Increased CiFT abundance in the stem correlates with floral induction by low temperature in Satsuma mandarin (Citrus unshiu Marc.).

AFFILIATION: Department of Citrus Research, National Institute of Fruit Tree Science, National Agricultural Research Organization, 424-0292, Okitsu Shimizu-ku, Shizuoka, Japan.

Country: England

AGENCY:

GRANT:

ACRONYM:

MEDLINETA: J Exp Bot

REFSOURCE:

DATABASENAME:

ACCESSION NUMBER:

Number Hits: 0

Increased CiFT abundance in the stem correlates with floral induction by low temperature in Satsuma mandarin Citrus unshiu Marc Related Publications

• Follow-up observation of a patient with left ventricular thrombus by echocardiography.
• Increased CiFT abundance in the stem correlates with floral induction by low temperature in Satsuma mandarin (Citrus unshiu Marc.).
• Inhibition of the unaffected motor cortex by 1 Hz repetitive transcranical magnetic stimulation enhances motor performance and training effect of the paretic hand in patients with chronic stroke.
• Posterior canal-activated excitatory vestibuloocular relay neurons participate in the vestibulocortical pathways in cats.
• Repetitive transcranial magnetic stimulation of the unaffected hemisphere in a patient who was forced to use the affected hand.
• [Paralysis of the four limbs due to a type of encephalitis resembling measles.]