Article archive

Disease resistance or growth: the role of plant hormones in balancing immune responses and fitness costs

05/24/2013 00:00
Nicolas Denancé, Andrea Sánchez-Vallet, Deborah Goffner, Antonio Molina   Abstract: Plant growth and response to environmental cues are largely governed by phytohormones. The plant hormones ethylene, jasmonic acid, and salicylic acid (SA) play a central role in the regulation of plant immune...

Transpirational demand affects aquaporin expression in poplar roots

04/18/2013 00:00
Joan Laur and Uwe G. Hacke   Abstract: Isohydric plants tend to maintain a water potential homeostasis primarily by controlling water loss via stomatal conductance. However, there is accumulating evidence that plants can also modulate water uptake in a dynamic manner. The dynamics of water...

Protein Epistasis Revealed from Thermostability Profiles of Nicotiana tabacum 5-epi-Aristolochene Synthase

04/01/2013 00:00
Charisse Crenshaw, Johnatan Aljadeff, Irma Fernandez, Caroline Laurendon, Marianne Defernez, Hyun Jo Koo, Paul E. O’Maille, Tatyana Sharpee and Joseph P. Noel   Abstract: The limits of protein evolution are ultimately defined by biophysical constraints. Specifically, the maintenance of protein...

Estimating contemporary pollen-flow and associated outbreeding effects on herbaceous plant populations along altitudinal gradients

03/31/2013 00:00
Philippe Matter   Abstract: Current rapid global warming is inducing changes in local environmental conditions. To cope with those changes plant populations might migrate, adapt genetically, or react with phenotypic plasticity. Genetic adaption requires that the genetic diversity available is...

Modularity of Plant Metabolic Gene Clusters: A Trio of Linked Genes That Are Collectively Required for Acylation of Triterpenes in Oat

03/29/2013 00:00
Sam T. Mugford, Thomas Louveau, Rachel Melton, Xiaoquan Qi, Saleha Bakht, Lionel Hill, Tetsu Tsurushima, Suvi Honkanen, Susan J. Rosser, George P. Lomonossoff and Anne Osbourn   Abstract: Operon-like gene clusters are an emerging phenomenon in the field of plant natural products. The genes...

Role of the NF-YA1 and NF-YA2 transcription factors in early steps of the rhizobial symbiosis in Medicago truncatula

03/25/2013 00:00
Tom Laloum   Summary: (French version) Les plantes de la famille des légumineuses sont capables d'établir une interaction symbiotique avec des bactéries du sol, collectivement appelées Rhizobia. Cette interaction aboutit à la formation d'un nouvel organe appelé nodule et dans lequel les...

CCAAT-box binding transcription factors in plants: Y so many?

03/01/2013 00:00
Tom Laloum, Stéphane De Mita, Pascal Gamas, Maël Baudin and Andreas Niebel   Abstract: Transcription factors belonging to the CCAAT-box binding factor family (also known as the Nuclear Factor Y) are present in all higher eukaryotes. Studies in plants have revealed that each subunit of this...

The xylan utilization system of the plant pathogen Xanthomonas campestris pv campestris controls epiphytic life and reveals common features with oligotrophic bacteria and animal gut symbionts

02/27/2013 00:00
Déjean G, Blanvillain-Baufumé S, Boulanger A, Darrasse A, Dugé de Bernonville T, Girard AL, Carrére S, Jamet S, Zischek C, Lautier M, Solé M, Büttner D, Jacques MA, Lauber E, Arlat M.   Abstract: Xylan is a major structural component of plant cell wall and the second most abundant plant...

Thiamine modulates metabolism of the phenylpropanoid pathway leading to enhanced resistance to Plasmopara viticola in grapevine

02/26/2013 00:00
Hatem Boubakri, Anne Poutaraud, Mohamed Ali Wahab, Celine Clayeux, Raymonde Baltenweck-Guyot, Damien Steyer, Christophe Marcic, Ahmed Mliki and Isabelle Soustre-Gacougnolle   Abstract: Background Previously, we have reported the ability of thiamine (vitamin B1) to induce resistance against...

NFP, a LysM protein controlling Nod factor perception, also intervenes in Medicago truncatula resistance to pathogens

02/25/2013 00:00
Thomas Rey, Amaury Nars, Maxime Bonhomme, Arnaud Bottin, Stéphanie Huguet, Sandrine Balzergue, Marie-Françoise Jardinaud, Jean-Jacques Bono, Julie Cullimore, Bernard Dumas, Clare Gough and Christophe Jacquet   Abstract: Plant LysM proteins control the perception of microbial-derived...
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