Differential Expression of Eight Chitinase Genes in Medicago truncatula Roots During Mycorrhiza Formation, Nodulation, and Pathogen InfectionMolecular Plant-Microbe Interactions - Tập 13 Số 7 - Trang 763-777 - 2000
Peter Salzer, Athos Bonanomi, Katinka Beyer, Regina Vögeli‐Lange, Roger A. Aeschbacher, J. Lange, Andres Wiemken, Dong-Jin Park, Albert Vandenberg, Thomas Boller
Expression of eight different chitinase genes, representing members of five chitinase classes, was studied in Medicago truncatula roots during formation of arbuscular mycorrhiza with Glomus intraradices, nodulation with Rhizobium meliloti, and pathogen attack by Phytophthora megasperma f. sp. medicaginis, Fusarium solani f. sp. phaseoli (compatible interactions with root rot symptoms), As...... hiện toàn bộ
Production ofSinorhizobium meliloti nodGene Activator and Repressor Flavonoids fromMedicago sativaRootsMolecular Plant-Microbe Interactions - Tập 11 Số 8 - Trang 784-794 - 1998
José Ângelo Silveira Zuanazzi, Pierre Henri Clergeot, Jean‐Charles Quirion, H.‐P. HUSSON, Ádám Kondorosi, Pascal Ratet
During symbiosis between leguminous plants and rhizobia, flavonoids exuded by the plants act as chemoattractants and nodulation (nod) gene regulators in the other partner. To better understand the role of these compounds during the early steps of the alfalfa-Sinorhizobium meliloti symbiosis and the regulation of their production we have isolated nod gene inducers from alfalfa roots. All th...... hiện toàn bộ
Involvement of the Octadecanoid Pathway in Bluegreen Aphid Resistance in Medicago truncatulaMolecular Plant-Microbe Interactions - Tập 20 Số 1 - Trang 82-93 - 2007
Ling‐Ling Gao, Jonathan P. Anderson, J. Klingler, Ramakrishnan M. Nair, Owain Edwards, Karam B. Singh
Aphids are major insect pests of plants that feed directly from the phloem. We used the model legume Medicago truncatula Gaert. (barrel medic) to elucidate host resistance to aphids and identified a single dominant gene which confers resistance to Acyrthosiphon kondoi Shinji (bluegreen aphid). To understand how this gene conditions resistance to bluegreen aphid, transcription profiling of...... hiện toàn bộ
Ethylene Signaling Modulates Herbivore-Induced Defense Responses in the Model Legume Medicago truncatulaMolecular Plant-Microbe Interactions - Tập 28 Số 5 - Trang 569-579 - 2015
Jamuna Risal Paudel, Jacqueline C. Bede
One or more effectors in the labial saliva (LS) of generalist Noctuid caterpillars activate plant signaling pathways to modulate jasmonate (JA)-dependent defense responses; however, the exact mechanisms involved have yet to be elucidated. A potential candidate in this phytohormone interplay is the ethylene (ET) signaling pathway. We compared the biochemical and molecular responses of the ...... hiện toàn bộ
Recognition of Avirulence Gene AvrLm1 from Hemibiotrophic Ascomycete Leptosphaeria maculans Triggers Salicylic Acid and Ethylene Signaling in Brassica napusMolecular Plant-Microbe Interactions - Tập 25 Số 9 - Trang 1238-1250 - 2012
Vladimír Šašek, Miroslava Nováková, Barbora Jindřichová, Károly Bóka, Olga Valentová, Lenka Burketová
Interaction of a plant with a fungal pathogen is an encounter with hundreds of molecules. In contrast to this, a single molecule often decides between the disease and resistance. In the present article, we describe the defense responses triggered by AvrLm1, an avirulence gene from a hemibiotrophic ascomycete, Leptosphaeria maculans, responsible for an incompatible interaction with Brassic...... hiện toàn bộ
Homologs of Caenorhabditis elegans Chemosensory Genes Have Roles in Behavior and Chemotaxis in the Root-Knot Nematode Meloidogyne incognitaMolecular Plant-Microbe Interactions - Tập 32 Số 7 - Trang 876-887 - 2019
Tagginahalli N. Shivakumara, Tushar K. Dutta, Sonam Chaudhary, Stephan H. von Reuß, Valerie M. Williamson
Nematode chemosensation is a vital component of their host-seeking behavior. The globally important phytonematode Meloidogyne incognita perceives and responds (via sensory organs such as amphids and phasmids) differentially to various chemical cues emanating from the rhizosphere during the course of host finding. However, compared with the free-living worm Caenorhabditis elegans, the mole...... hiện toàn bộ
Multiresistance Genes of Rhizobium etli CFN42Molecular Plant-Microbe Interactions - Tập 13 Số 5 - Trang 572-577 - 2000
Ramón González-Pasayo, Esperanza Martı́nez-Romero
Multidrug efflux pumps of bacteria are involved in the resistance to various antibiotics and toxic compounds. In Rhizobium etli, a mutualistic symbiont of Phaseolus vulgaris (bean), genes resembling multidrug efflux pump genes were identified and designated rmrA and rmrB. rmrA was obtained after the screening of transposon-generated fusions that are inducible by bean-root released flavono...... hiện toàn bộ
Phylogenetic Perspectives on the Origins of NodulationMolecular Plant-Microbe Interactions - Tập 24 Số 11 - Trang 1289-1295 - 2011
Jeff J. Doyle
Recent refinements to the phylogeny of rosid angiosperms support the conclusion that nodulation has evolved several times in the so-called N2-fixing clade (NFC), and provide dates for these origins. The hypothesized predisposition that enabled the evolution of nodulation occurred approximately 100 million years ago (MYA), was retained in the various lineages that radi...... hiện toàn bộ
A luxR Homolog, aviR, in Agrobacterium vitis Is Associated with Induction of Necrosis on Grape and a Hypersensitive Response on TobaccoMolecular Plant-Microbe Interactions - Tập 16 Số 7 - Trang 650-658 - 2003
Desen Zheng, Hongsheng Zhang, Sigrid Carle, Guixia Hao, Michele R Holden, Thomas J. Bürr
A Tn5 mutant of Agrobacterium vitis F2/5 (M1154) differs from the wild-type strain in that it has lost its abilities to cause necrosis on grape and a hypersensitive-like response (HR) on tobacco. The Tn5 insertion occurred in an open reading frame (ORF) aviR that is homologous to genes encoding the LuxR family of transcriptional regulators, thereby suggesting that the HR and necrosis are ...... hiện toàn bộ