نتایج جستجو برای: mads box genes

تعداد نتایج: 505196  

Journal: :Plant physiology 2003
Tsai-Yu Tzeng Chih-Chi Hsiao Pei-Ju Chi Chang-Hsien Yang

Two AGL2-like MADS-box genes, Lily MADS Box Gene (LMADS) 3 and LMADS4, with extensive homology of LMADS3 to the Arabidopsis SEPALLATA3 were characterized from the lily (Lilium longiflorum). Both LMADS3 and LMADS4 mRNA were detected in the inflorescence meristem, in floral buds of different developmental stages, and in all four whorls of the flower organ. LMADS4 mRNA is also expressed in vegetat...

2009
R Parimalan S Jagadeesan

Plants have many differences, like protandry, protogyny, etc. However, amidst these differences, all angiosperms have a common mechanism of flowering, i.e. concentric pattern of flowering (sepal, petal, stamen and carpel). The mechanism or the genes thorough which plants maintain boundaries between the four, sepal-petal-stamen-carpel, are also given due importance. Once a plant attains competen...

2013
Jiaqi Zhang Zhineng Li Cong Guo Guofeng Liu Manzhu Bao

The identification of mutants in model plant species has led to the isolation of the floral homeotic function genes that play crucial roles in flower organ specification. However, floral homeotic C-function genes are rarely studied in basal eudicots. Here, we report the isolation and characterization of the AGAMOUS (AG) orthologous gene (PaAG) from a basal eudicot London plane tree (Platanus ac...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1997
T Münster J Pahnke A Di Rosa J T Kim W Martin H Saedler G Theissen

Flowers sensu lato are short, specialized axes bearing closely aggregated sporophylls. They are typical for seed plants (spermatophytes) and are prominent in flowering plants sensu stricto (angiosperms), where they often comprise an attractive perianth. There is evidence that spermatophytes evolved from gymnosperm-like plants with a fern-like mode of reproduction called progymnosperms. It seems...

2010
Kaoru Kobayashi Masahiko Maekawa Akio Miyao Hirohiko Hirochika Junko Kyozuka

In rice panicle development, new meristems are generated sequentially in an organized manner and acquire their identity in a time- and position-dependent manner. In the panicle of the panicle phytomer2-1 (pap2-1) mutant, the pattern of meristem initiation is disorganized and newly formed meristems show reduced competency to become spikelet meristems, resulting in the transformation of early ari...

2017
Rongmei Wu Sumathi Tomes Sakuntala Karunairetnam Stuart D. Tustin Roger P. Hellens Andrew C. Allan Richard C. Macknight Erika Varkonyi-Gasic

The annual growth cycle of trees is the result of seasonal cues. The onset of winter triggers an endodormant state preventing bud growth and, once a chilling requirement is satisfied, these buds enter an ecodormant state and resume growing. MADS-box genes with similarity to Arabidopsis SHORT VEGETATIVE PHASE (SVP) [the SVP-like and DORMANCY ASSOCIATED MADS-BOX (DAM) genes] have been implicated ...

2014
Chunyan Yu Sha Su Yichun Xu Yongqin Zhao An Yan Linli Huang Imran Ali Yinbo Gan

The ANR1 MADS-box gene in Arabidopsis is a key gene involved in regulating lateral root development in response to the external nitrate supply. There are five ANR1-like genes in Oryza sativa, OsMADS23, OsMADS25, OsMADS27, OsMADS57 and OsMADS61, all of which belong to the AGL17 clade. Here we have investigated the responsiveness of these genes to fluctuations in nitrogen (N), phosphorus (P) and ...

2014
Roberta Acri-Nunes-Miranda Mariana Mondragón-Palomino

The diverse flowers of Orchidaceae are the result of several major morphological transitions, among them the most studied is the differentiation of the inner median tepal into the labellum, a perianth organ key in pollinator attraction. Type A peloria lacking stamens and with ectopic labella in place of inner lateral tepals are useful for testing models on the genes specifying these organs by c...

Journal: :Journal of cell science 2008
Kyriaki Papadopoulou Szu Shien Ng Hiroyuki Ohkura Marco Geymonat Steven G Sedgwick Christopher J McInerny

In fission yeast the expression of several genes during M-G1 phase is controlled by binding of the PCB binding factor (PBF) transcription factor complex to Pombe cell cycle box (PCB) promoter motifs. Three components of PBF have been identified, including two forkhead-like proteins Sep1p and Fkh2p, and a MADS-box-like protein, Mbx1p. Here, we examine how PBF is controlled and reveal a role for ...

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