Ferritin2 gene in paraquat-susceptible and resistant biotypes of horseweed Conyza canadensis (L.) Cronq

Ferritins, the multimeric iron storage proteins, are the main regulators of the cellular level of uncomplexed iron. Ferritins are encoded by small gene families and expressed differentially under various developmental conditions depending on iron availability, effect of hormones or oxygen radical ge...

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Veröffentlicht in:Journal of plant physiology 2006-09, Vol.163 (9), p.979-982
Hauptverfasser: Soós, Vilmos, Jóri, Balázs, Páldi, Emil, Szegő, Dóra, Szigeti, Zoltán, Rácz, Ilona, Lásztity, Demeter
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container_end_page 982
container_issue 9
container_start_page 979
container_title Journal of plant physiology
container_volume 163
creator Soós, Vilmos
Jóri, Balázs
Páldi, Emil
Szegő, Dóra
Szigeti, Zoltán
Rácz, Ilona
Lásztity, Demeter
description Ferritins, the multimeric iron storage proteins, are the main regulators of the cellular level of uncomplexed iron. Ferritins are encoded by small gene families and expressed differentially under various developmental conditions depending on iron availability, effect of hormones or oxygen radical generating agents. In the present work the primary structure of the ferritin2 gene from resistant and susceptible biotypes of horseweed Conyza canadensis was determined. This gene was found to exhibit great similarity and possess all the structural characteristics of known plant ferritin2 genes. The C. canadensis ferritin2 genes had identical primary structure in the two biotypes and were upregulated by paraquat (Pq) in both susceptible and resistant plants. The enhanced expression level was probably connected with defence reactions in the plants after Pq treatment.
doi_str_mv 10.1016/j.jplph.2005.08.015
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subjects Amino Acid Sequence
Biological and medical sciences
Conyza - classification
Conyza - drug effects
Conyza - genetics
Conyza canadensis
ferritin
Ferritin2
Ferritins - chemistry
Ferritins - genetics
Ferritins - metabolism
Fundamental and applied biological sciences. Psychology
gene expression regulation
Genes. Genome
herbicide resistance
Herbicides - pharmacology
Molecular and cellular biology
Molecular genetics
Multigene Family
Paraquat
Paraquat - pharmacology
Phylogeny
Plant Proteins - chemistry
Plant Proteins - genetics
Plant Proteins - metabolism
Resistance
Sequence Analysis, Protein
Superoxide radicals
Up-Regulation - drug effects
weeds
title Ferritin2 gene in paraquat-susceptible and resistant biotypes of horseweed Conyza canadensis (L.) Cronq
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