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Titolo:
Casuarina glauca prenodule cells display the same differentiation as the corresponding nodule cells
Autore:
Laplaze, L; Duhoux, E; Franche, C; Frutz, T; Svistoonoff, S; Bisseling, T; Bogusz, D; Pawlowski, K;
Indirizzi:
IRD, Lab Gene Trop, F-34032 Montpellier 01, France IRD Montpellier France 01 Lab Gene Trop, F-34032 Montpellier 01, France Agr Univ Wageningen, Dept Mol Biol, NL-6703 HA Wageningen, Netherlands AgrUniv Wageningen Wageningen Netherlands NL-6703 HA ingen, Netherlands Univ Gottingen, Albrecht von Haller Inst Pflanzenwissensch, D-37073 Gottingen, Germany Univ Gottingen Gottingen Germany D-37073 sch, D-37073 Gottingen, Germany
Titolo Testata:
MOLECULAR PLANT-MICROBE INTERACTIONS
fascicolo: 1, volume: 13, anno: 2000,
pagine: 107 - 112
SICI:
0894-0282(200001)13:1<107:CGPCDT>2.0.ZU;2-A
Fonte:
ISI
Lingua:
ENG
Soggetto:
ROOT-NODULES; ACTINORHIZAL SYMBIOSES; GENETIC-TRANSFORMATION; HEMOGLOBIN GENES; RHIZOBIUM; PARASPONIA; INITIATION; INFECTION; LOCALIZATION; ELAEAGNACEAE;
Keywords:
actinorhiza; Frankia; hemoglobin; nifH; nitrogen fixation; symbiosis;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Life Sciences
Citazioni:
30
Recensione:
Indirizzi per estratti:
Indirizzo: Duhoux, E IRD, Lab Gene Trop, 911 Ave Agropolis, F-34032 Montpellier 01, France IRD 911 Ave Agropolis Montpellier France 01 tpellier 01, France
Citazione:
L. Laplaze et al., "Casuarina glauca prenodule cells display the same differentiation as the corresponding nodule cells", MOL PL MICR, 13(1), 2000, pp. 107-112

Abstract

Recent phylogenetic studies have implied that all plants able to enter root nodule symbioses with nitrogen-fixing bacteria go back to a common ancestor (D. E. Soltis, P. S. Soltis, D. R. Morgan, S. M. Swensen, B. C. Mullin, J. M. Dowd, and P. G. Martin, Proc. Natl. Acad. Sci. USA, 92:2647-2651, 1995), However, nodules formed by plants from different groups are distinct innodule organogenesis and structure. In most groups, nodule organogenesis involves the induction of cortical cell divisions. In legumes these divisions lead to the formation of a nodule primordium, while in non-legumes they lead to the formation of a so-called prenodule consisting of infected and uninfected cells. Nodule primordium formation does not involve prenodule cells, and the function of prenodules is not known. Here, we examine the differentiation of actinorhizal prenodule cells in comparison to nodule cells with regard to both symbionts, Our findings indicate that prenodules representprimitive symbiotic organs whose cell types display the same characteristics as their nodule counterparts. The results are discussed in the contest of the evolution of root nodule symbioses.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 28/11/20 alle ore 21:58:28