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1. Analysis of Nod-Factor-Induced Calcium Signaling in Root Hairs of Symbiotically Defective Mutants of Lotus japonicus

Author:
Miwa, H.; Sun, J.; Oldroyd, G.E.D.; Downie, J.A.
Source:
Molecular plant-microbe interactions 2006 v.19 no.8 pp. 914-923
ISSN:
0894-0282
Subject:
Lotus corniculatus var. japonicus,   etc   ; symbiosis; calcium; seedlings; ion transport; root nodules; signal transduction; root hairs; genetic complementation; Mesorhizobium; nodulation;     Show all 11 Subjects
Abstract:
... Nodulation (Nod)-factor signaling molecules are essential for rhizobia to initiate the nitrogen-fixing symbiotic interaction with legumes. Using a dual dye ratiometric calcium imaging technique, we have shown that 10 nM Nod factor added to roots of Lotus japonicus seedlings induces an intracellular calcium increase (calcium flux) that precedes oscillations in intracellular calcium (calcium spiking ...
DOI:
10.1094/MPMI-19-0914
PubMed:
16903357

2. A Novel Fix(-) Symbiotic Mutant of Lotus japonicus, Ljsym105, Shows Impaired Development and Premature Deterioration of Nodule Infected Cells and Symbiosomes

Author:
Hossain, M.D.; Umehara, Y.; Kouchi, H.
Source:
Molecular plant-microbe interactions 2006 v.19 no.7 pp. 780-788
ISSN:
0894-0282
Subject:
Lotus corniculatus var. japonicus,   etc   ; nitrogen-fixing bacteria; nitrogenase; plant nutrition; phenotype; symbiosis; nitrogen; nutrient availability; host plants; root nodules; forage legumes; chromosome mapping; cytoplasm; mutants; recessive genes; Mesorhizobium loti; enzyme activity; organogenesis;     Show all 18 Subjects
Abstract:
... Nitrogen-fixing symbiosis between legume plants and rhizobia is established through complex interactions between two symbiotic partners. To identify the host legume genes that play crucial roles in such interactions, we isolated a novel Fix(-) mutant, Ljsym105, from a model legume Lotus japonicus MG-20. The Ljsym105 plants displayed nitrogen-deficiency symptoms after inoculation with Mesorhizobium ...
DOI:
10.1094/MPMI-19-0780
PubMed:
16838790

3. A nucleoporin is required for induction of Ca2+ spiking in legume nodule development and essential for rhizobial and fungal symbiosis

Author:
Kanamori, N.; Madsen, L.H.; Radutoiu, S.; Frantescu, M.; Quistgaard, E.M.H.; Miwa, H.; Downie, J.A.; James, E.; Felle, H.H.; Haaning, L.L.
Source:
Proceedings of the National Academy of Sciences of the United States of America 2006 v.103 no.2 pp. 359-364
ISSN:
0027-8424
Subject:
Lotus corniculatus var. japonicus,   etc   ; nucleoporins; nucleotide sequences; amino acid sequences; signal transduction; calcium; nodulation; Mesorhizobium loti; mutants; phenotype; root hairs; cytochemistry; nuclear membrane;     Show all 13 Subjects
Abstract:
... Nuclear-cytoplasmic partitioning and traffic between cytoplasmic and nuclear compartments are fundamental processes in eukaryotic cells. Nuclear pore complexes mediate transport of proteins, RNAs and ribonucleoprotein particles in and out of the nucleus. Here we present positional cloning of a plant nucleoporin gene, Nup133, essential for a symbiotic signal transduction pathway shared by Rhizobium ...
DOI:
10.1073/pnas.0508883103
PubMed:
16407163
PubMed Central:
PMC1326171

4. Application of comparative genomics in developing molecular markers tightly linked to the virus resistance gene Rsv4 in soybean

Author:
Hwang, T.Y.; Moon, J.K.; Yu, S.; Yang, K.; Mohankumar, S.; Yu, Y.H.; Lee, Y.H.; Kim, H.S.; Kim, H.M.; Maroof, M.A.S.
Source:
Genome = 2006 v.49 no.4 pp. 380-388
ISSN:
0831-2796
Subject:
Lotus corniculatus var. japonicus,   etc   ; Glycine max; soybeans; expressed sequence tags; Soybean mosaic virus; chromosome mapping; disease resistance; genomics; linkage (genetics); genetic markers;     Show all 10 Subjects
Abstract:
... The Rsv4 gene confers resistance to all the known strain groups of soybean mosaic virus in soybean (Glycine max (L.) Merr.). To construct a fine genetic map near Rsv4 in soybean, we employed a comparative genomics approach that used genome sequence information of the model legume Lotus japonicus. Sequences of the soybean expressed sequence tags (ESTs) AI856415 and BF070293 mapping to one side of t ...
DOI:
10.1139/G05-111
PubMed:
16699558

5. A putative CENTRORADIALIS/TERMINAL FLOWER 1-like gene, Ljcen1, plays a role in phase transition in Lotus japonicus

Author:
Guo, X.; Zhao, Z.; Chen, J.; Hu, X.; Luo, D.
Source:
Journal of plant physiology 2006 v.163 no.4 pp. 436-444
ISSN:
0176-1617
Subject:
Lotus corniculatus var. japonicus,   etc   ; apical meristems; sequence analysis; Arabidopsis thaliana; flowering; plant biochemistry; complementary DNA; transgenic plants; gene expression regulation; tissue distribution; amino acid sequences; nucleotide sequences; molecular cloning; shoot meristems; plant proteins;     Show all 15 Subjects
Abstract:
... CENTRORADIALIS/TERMINAL FLOWER 1 (CEN/TFL1) genes play an important role in the phase transition of plant flowering. Here we characterized the expression pattern of a CEN/TFL1-like gene, Ljcen1, from Lotus japonicus. Sequence analysis revealed that Ljcen1 shared 67-76% identity to its homologs from a variety of plant species. Ljcen1 transcripts could be detected at the young root tip and reproduct ...
DOI:
10.1016/j.jplph.2005.04.037

6. A Reassessment of Substrate Specificity and Activation of Phytochelatin Synthases from Model Plants by Physiologically Relevant Metals

Author:
Loscos, Jorge; Naya, Loreto; Ramos, Javier; Clemente, Maria R.; Matamoros, Manuel A.; Becana, Manuel
Source:
Plant physiology 2006 v.140 no.4 pp. 1213-1221
ISSN:
1532-2548
Subject:
Lotus corniculatus var. japonicus,   etc   ; legumes; plant proteins; aminoacyltransferases; complementary DNA; recombinant fusion proteins; enzyme activation; substrate specificity; phytochelatins; biosynthesis; heavy metals; plant biochemistry; plant genetics;     Show all 13 Subjects
Abstract:
... Phytochelatin synthases (PCS) catalyze phytochelatin (PC) synthesis from glutathione (GSH) in the presence of certain metals. The resulting PC-metal complexes are transported into the vacuole, avoiding toxic effects on metabolism. Legumes have the unique capacity to partially or completely replace GSH by homoglutathione (hGSH) and PCs by homophytochelatins (hPCs). However, the synthesis of hPCs ha ...
DOI:
10.1104/pp.105.073635
PubMed:
16489135
PubMed Central:
PMC1435825

7. Biotechnology approaches to overcome biotic and abiotic stress constraints in legumes

Author:
Dita, M.A.; Rispail, N.; Prats, E.; Rubiales, D.; Singh, K.B.
Source:
Euphytica 2006 v.147 no.1-2 pp. 1-24
ISSN:
0014-2336
Subject:
Lotus corniculatus var. japonicus,   etc   ; genetic transformation; messenger RNA; plant diseases and disorders; mutagenesis; gene expression; mutants; genomics; legumes; stress tolerance; proteomics; Medicago truncatula; disease resistance; metabolomics; abiotic stress; tissue culture;     Show all 16 Subjects
DOI:
10.1007/s10681-006-6156-9

8. Birdsfoot Trefoil, a Valuable Tannin-Containing Legume for Mixed Pastures

Author:
MacAdam, J.W.; Griggs, T.C.; Beuselinck, P.R.; Grabber, J.H.
Source:
Forage and grazinglands 2006 pp. 1545
ISSN:
1547-4631
Subject:
Lotus corniculatus,   etc   ; pastures; mixed stands; forage legumes; forage quality; tannins; proanthocyanidins; grazing; digestibility; beef cattle; dairy cattle; dairy cows;     Show all 12 Subjects
Abstract:
... Several species in the genus Lotus produce condensed tannins in high enough concentrations to influence herbage digestibility and animal performance. Big trefoil produces tannins at levels high enough to be considered antiquality. In contrast, birdsfoot trefoil (BFT) has lower herbage tannin concentration, but levels can be high enough to be beneficial. This review discusses agronomic aspects of B ...
Handle:
10113/11931
DOI:
10.1094/FG-2006-0912-01-RV

9. Birdsfoot trefoil (Lotus corniculatus) and greater lotus (Lotus uliginosus) in perennial pastures in eastern Australia. 2. Adaptation and applications of lotus-based pasture

Author:
Ayres, J.F.; Blumenthal, M.J.; Lane, L.A.; O'Connor, J.W.
Source:
Animal production science 2006 v.46 no.4 pp. 521-534
ISSN:
0816-1089
Subject:
Lotus corniculatus,   etc   ; Lotus uliginosus; forage legumes; pastures; perennials; grazing management; botanical composition; long term experiments; plant adaptation; grazing; soil fertility; topography; plant establishment; innovation adoption; population density; water stress; drought; climatic factors; New South Wales;     Show all 19 Subjects
DOI:
10.1071/EA04242

10. Birdsfoot trefoil (Lotus corniculatus) and greater lotus (Lotus uliginosus) in perennial pastures in eastern Australia. 1. Effects of grazing management on persistence

Author:
Ayres, J.F.; Blumenthal, M.J.; O'Connor, J.W.; Lane, L.A.; Nicol, H.I.
Source:
Animal production science 2006 v.46 no.4 pp. 503-519
ISSN:
0816-1089
Subject:
Lotus corniculatus,   etc   ; Lotus uliginosus; forage legumes; pastures; perennials; grazing management; botanical composition; long term experiments; geographical variation; grazing; cultivars; plant establishment; nodulation; vigor; seedlings; population density; water stress; drought; climatic factors; stocking rate; New South Wales;     Show all 21 Subjects
DOI:
10.1071/EA04241

11. Control of petal shape and floral zygomorphy in Lotus japonicus

Author:
Feng, X.; Zhao, Z.; Tian, Z.; Xu, S.; Luo, Y.; Cai, Z.; Wang, Y.; Yang, J.; Wang, Z.; Weng, L.
Source:
Proceedings of the National Academy of Sciences of the United States of America 2006 v.103 no.13 pp. 4970-4975
ISSN:
0027-8424
Subject:
Lotus corniculatus var. japonicus,   etc   ; flowering; plant genetics; corolla; shape; transcription factors; gene expression regulation; transcription (genetics);     Show all 8 Subjects
DOI:
10.1073/pnas.0600681103
PubMed:
16549774
PubMed Central:
PMC1458779

12. Cyanogenic glycosides: a case study for evolution and application of cytochromes P450

Author:
Bak, Søren; Paquette, Susanne Michelle; Morant, Marc; Morant, Anne Vinther; Saito, Shigeki; Bjarnholt, Nanna; Zagrobelny, Mika; Jørgensen, Kirsten; Osmani, Sarah; Simonsen, Henrik Toft; Pérez, Raquel Sanchez; van Heeswijck, Torbjørn Bordier; Jørgensen, Bodil; Møller, Birger Lindberg
Source:
Phytochemistry reviews 2006 v.5 no.2-3 pp. 309-329
ISSN:
1568-7767
Subject:
Lotus corniculatus var. japonicus,   etc   ; Arabidopsis thaliana; Lepidoptera; arthropods; biochemical pathways; biosynthesis; case studies; cassava; cyanogenic glycosides; cytochrome P-450; evolution; glucosinolates; metabolic engineering; toxicity;     Show all 14 Subjects
Abstract:
... Cyanogenic glycosides are ancient biomolecules found in more than 2,650 higher plant species as well as in a few arthropod species. Cyanogenic glycosides are amino acid-derived β-glycosides of α-hydroxynitriles. In analogy to cyanogenic plants, cyanogenic arthropods may use cyanogenic glycosides as defence compounds. Many of these arthropod species have been shown to de novo synthesize cyanogenic ...
DOI:
10.1007/s11101-006-9033-1

13. Deregulation of a Ca2+/calmodulin-dependent kinase leads to spontaneous nodule development

Author:
Tirichine, L.; Imaizumi-Anraku, H.; Yoshida, S.; Murakami, Y.; Madsen, L.H.; Miwa, H.; Nakagawa, T.; Sandal, N.; Albrektsen, A.S.; Kawaguchi, M.
Source:
Nature 2006 v.441 no.7097 pp. 1153-1156
ISSN:
0028-0836
Subject:
Lotus corniculatus var. japonicus,   etc   ; cortex; phenotype; Mesorhizobium loti; signal transduction; root hairs; mutants; nodulation; cell differentiation; enzyme activity;     Show all 10 Subjects
Abstract:
... Induced development of a new plant organ in response to rhizobia is the most prominent manifestation of legume root-nodule symbiosis with nitrogen-fixing bacteria. Here we show that the complex root-nodule organogenic programme can be genetically deregulated to trigger de novo nodule formation in the absence of rhizobia or exogenous rhizobial signals. In an ethylmethane sulphonate-induced snf1 (sp ...
DOI:
10.1038/nature04862

14. Detecting local adaptation in widespread grassland species - the importance of scale and local plant community

Author:
BISCHOFF, ARMIN; CRÉMIEUX, LISÈLE; SMILAUEROVA, MARIE; LAWSON, CLARE S.; MORTIMER, SIMON R.; DOLEZAL, JIRI; LANTA, VOJTECH; EDWARDS, ANDREW R.; BROOK, ALEX J.; MACEL, MIRKA; LEPS, JAN; STEINGER, THOMAS; MÜLLER-SCHÄRER, HEINZ
Source:
Journal of ecology 2006 v.94 no.6 pp. 1130-1142
ISSN:
0022-0477
Subject:
Lotus corniculatus,   etc   ; Holcus lanatus; forage crops; geographical variation; Plantago lanceolata; habitats; plant adaptation; plant competition; spatial variation; field experimentation; sward; grasslands; Czech Republic; Switzerland; United Kingdom;     Show all 15 Subjects
DOI:
10.1111/j.1365-2745.2006.01174.x

15. Effects of Cytokinins on In Vitro Seed Germination and Early Seedling Morphogenesis in Lotus corniculatus L

Author:
Nikolić, Radomirka; Mitić, Nevena; Miletić, Rade; Nešković, Mirjana
Source:
Journal of plant growth regulation 2006 v.25 no.3 pp. 187-194
ISSN:
0721-7595
Subject:
Lotus corniculatus,   etc   ; adenine; agar; benzyladenine; cytokinins; kinetin; morphogenesis; roots; seed germination; seedlings; seeds; shoots; sucrose; zeatin;     Show all 14 Subjects
Abstract:
... We determined the effects of zeatin (ZEA), isopentenyl adenine (2iP), kinetin (KIN), benzyladenine (BA), and thidiazuron (TDZ) on seed germination, elongation of seedling shoots and roots, frequency of regeneration, and the number of regenerants per seedling in Lotus corniculatus L. Sterilized seeds were cultured in vitro on Murashige and Skoog (1962) medium containing 3% sucrose, 0.7% agar, and v ...
DOI:
10.1007/s00344-005-0129-4

16. Effects of Endogenous Salicylic Acid on Nodulation in the Model Legumes Lotus japonicus and Medicago truncatula

Author:
Stacey, Gary; McAlvin, Crystal Bickley; Kim, Sung-Yong; Olivares, José; Soto, María José
Source:
Plant physiology 2006 v.141 no.4 pp. 1473-1481
ISSN:
0032-0889
Subject:
Lotus corniculatus var. japonicus,   etc   ; Medicago truncatula; gene expression; legumes; nodulation; root growth; salicylic acid;     Show all 7 Subjects
Abstract:
... The exogenous addition of salicylic acid (SA) was previously shown to inhibit indeterminate but not determinate-type nodulation. We sought to extend these results by modulating endogenous levels of SA through the transgenic expression of salicylate hydroxylase (NahG) in both stably transformed Lotus japonicus and composite Medicago truncatula plants. NahG expression in L. japonicus resulted in a m ...
DOI:
10.1104/pp.106.080986
PubMed:
16798946
PubMed Central:
PMC1533935

17. Eukaryotic control on bacterial cell cycle and differentiation in the Rhizobium-legume symbiosis

Author:
Mergaert, P.; Uchiumi, T.; Alunni, B.; Evanno, G.; Cheron, A.; Catrice, O.; Mausset, A.E.; Barloy-Hubler, F.; Galibert, F.; Kondorosi, A.
Source:
Proceedings of the National Academy of Sciences of the United States of America 2006 v.103 no.13 pp. 5230-5235
ISSN:
0027-8424
Subject:
Lotus corniculatus var. japonicus,   etc   ; cell differentiation; cell cycle; Rhizobium leguminosarum; DNA replication; Mesorhizobium loti; symbiosis; Vicia sativa; Ensifer meliloti; root nodules; Phaseolus vulgaris; Pisum sativum; Medicago truncatula;     Show all 13 Subjects
DOI:
10.1073/pnas.0600912103
PubMed:
16547129
PubMed Central:
PMC1458823

18. Expression of the 1-Aminocyclopropane-1-Carboxylic Acid Deaminase Gene Requires Symbiotic Nitrogen-Fixing Regulator Gene nifA2 in Mesorhizobium loti MAFF303099

Author:
Nukui, Noriyuki; Minamisawa, Kiwamu; Ayabe, Shin-Ichi; Aoki, Toshio
Source:
Applied and environmental microbiology 2006 v.72 no.7 pp. 4964-4969
ISSN:
0099-2240
Subject:
Lotus corniculatus var. japonicus,   etc   ; Mesorhizobium loti; regulator genes; transcription factors; gene expression; transcription (genetics); amidine hydrolases; promoter regions; recombinant DNA; reporter genes; beta-glucuronidase; root nodules; nodulation;     Show all 13 Subjects
Abstract:
... Many soil bacteria contain 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase, which degrades ACC, a precursor of the phytohormone ethylene. In order to examine the regulation of the acdS gene encoding ACC deaminase in Mesorhizobium loti MAFF303099 during symbiosis with the host legume Lotus japonicus, we introduced the β-glucuronidase (GUS) gene into acdS so that GUS was expressed under contro ...
DOI:
10.1128/AEM.02745-05
PubMed:
16820494
PubMed Central:
PMC1489367

19. Functional genomics of plant transporters in legume nodules

Author:
Benedito, V.A.; Dai, X.; He, J.; Zhao, P.X.; Udvardi, M.K.
Source:
Functional plant biology 2006 v.33 no.8 pp. 731-736
ISSN:
1445-4408
Subject:
Lotus corniculatus var. japonicus,   etc   ; Medicago truncatula; legumes; genomics; transporters; root nodules; nitrogen fixation; Rhizobiaceae; symbionts; nutrient transport; gene expression; plant tissues;     Show all 12 Subjects
DOI:
10.1071/FP06085

20. Genetics of symbiosis in Lotus japonicus: recombinant inbred lines, comparative genetic maps, and map position of 35 symbiotic loci

Author:
Sandal, N.; Petersen, T.R.; Murray, J.; Umehara, Y.; Karas, B.; Yano, K.; Kumagai, H.; Yoshikawa, M.; Saito, K.; Hayashi, M.
Source:
Molecular plant-microbe interactions 2006 v.19 no.1 pp. 80-91
ISSN:
0894-0282
Subject:
Lotus corniculatus var. japonicus,   etc   ; plant genetics; symbiosis; linkage (genetics); chromosome mapping;     Show all 5 Subjects
Abstract:
... Development of molecular tools for the analysis of the plant genetic contribution to rhizobial and mycorrhizal symbiosis has provided major advances in our understanding of plant-microbe interactions, and several key symbiotic genes have been identified and characterized. In order to increase the efficiency of genetic analysis in the model legume Lotus japonicus, we present here a selection of imp ...
DOI:
10.1094/MPMI-19-0080
PubMed:
16404956