نتایج جستجو برای: medicago truncatula

تعداد نتایج: 4983  

Journal: :Plant physiology 2014
Liangfa Ge Jianling Peng Ana Berbel Francisco Madueño Rujin Chen

Plant leaves, simple or compound, initiate as peg-like structures from the peripheral zone of the shoot apical meristem, which requires class I KNOTTED-LIKE HOMEOBOXI (KNOXI) transcription factors to maintain its activity. The MYB domain protein encoded by the ASYMMETRIC LEAVES1/ROUGH SHEATH2/PHANTASTICA (ARP) gene, together with other factors, excludes KNOXI gene expression from incipient leaf...

2014
Estíbaliz Larrainzar Erena Gil-Quintana Amaia Seminario Cesar Arrese-Igor Esther M. González

The symbiotic association between Medicago truncatula and Sinorhizobium meliloti is a well-established model system in the legume-Rhizobium community. Despite its wide use, the symbiotic efficiency of this model has been recently questioned and an alternative microsymbiont, S. medicae, has been proposed. However, little is known about the physiological mechanisms behind the higher symbiotic eff...

2014
Ji-Yi Zhang Maria H Cruz de Carvalho Ivone Torres-Jerez Yun Kang Stacy N Allen David V Huhman Yuhong Tang Jeremy Murray Lloyd W Sumner Michael K Udvardi

Medicago truncatula is a model legume forage crop native to the arid and semi-arid environments of the Mediterranean. Given its drought-adapted nature, it is an ideal candidate to study the molecular and biochemical mechanisms conferring drought resistance in plants. Medicago plants were subjected to a progressive drought stress over 14 d of water withholding followed by rewatering under contro...

2012
Andreas Untergasser Gerben J. M. Bijl Wei Liu Ton Bisseling Jan G. Schaart René Geurts

Advancement in plant research is becoming impaired by the fact that the transfer of multiple genes is difficult to achieve. Here we present a new binary vector for Agrobacterium tumefaciens mediated transformation, pHUGE-Red, in concert with a cloning strategy suited for the transfer of up to nine genes at once. This vector enables modular cloning of large DNA fragments by employing Gateway tec...

Journal: :Journal of plant physiology 2012
Emilio Cervantes José Javier Martín Pick Kuen Chan Peter M Gresshoff Ángel Tocino

Seed shape in the model legumes Lotus japonicus and Medicago truncatula is described. Based in previous work with Arabidopsis, the outline of the longitudinal sections of seeds is compared with a cardioid curve. L. japonicus seeds adjust well to an unmodified cardioid, whereas accurate adjustment in M. truncatula is obtained by the simple transformation of scaling the vertical axis by a factor ...

Journal: :Trends in plant science 2007
Senthil Subramanian Gary Stacey Oliver Yu

RNA interference-mediated silencing of the key flavonoid and isoflavone biosynthesis enzyme, respectively, by two different research groups has provided direct genetic evidence for the essential roles that these compounds play in nodulation. Anton Wasson et al. have shown that flavonoids are essential for localized auxin transport inhibition during nodulation in the indeterminate legume Medicag...

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