ArticleInternational journal of molecular sciences2015
Genotypic Variation under Fe Deficiency Results in Rapid Changes in Protein Expressions and Genes Involved in Fe Metabolism and Antioxidant Mechanisms in Tomato Seedlings (Solanum lycopersicum L.).
Article in International journal of molecular sciences, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 2 citations in OpenAlex.
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2 authors at 1 institution in 1 country.
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Abstract
To investigate Fe deficiency tolerance in tomato cultivars, quantification of proteins and genes involved in Fe metabolism and antioxidant mechanisms were performed in "Roggusanmaru" and "Super Doterang". Fe deficiency (Moderate, low and -Fe) significantly decreased the biomass, total, and apoplastic Fe concentration of "Roggusanmaru", while a slight variation was observed in "Super Doterang" cultivar. The quantity of important photosynthetic pigments such as total chlorophyll and carotenoid contents significantly decreased in "Roggusanmaru" than "Super Doterang" cultivar. The total protein profile in leaves and roots determines that "Super Doterang" exhibited an optimal tolerance to Fe deficiency compared to "Roggusanmaru" cultivar. A reduction in expression of PSI (photosystem I), PSII (photosystem II) super-complexes and related thylakoid protein contents were detected in "Roggusanmaru" than "Super Doterang" cultivar. Moreover, the relative gene expression of SlPSI and SlPSII were well maintained in "Super Doterang" than "Roggusanmaru" cultivar. The relative expression of genes involved in Fe-transport (SlIRT1 and SlIRT2) and Fe(III) chelates reductase oxidase (SlFRO1) were relatively reduced in "Roggusanmaru", while increased in "Super Doterang" cultivar under Fe deficient conditions. The H⁺-ATPase relative gene expression (SlAHA1) in roots were maintained in "Super Doterang" compared to "Roggusanmaru". Furthermore, the gene expressions involved in antioxidant defense mechanisms (SlSOD, SlAPX and SlCAT) in leaves and roots showed that these genes were highly increased in "Super Doterang", whereas decreased in "Roggusanmaru" cultivar under Fe deficiency. The present study suggested that "Super Doterang" is better tomato cultivar than "Roggusanmaru" for calcareous soils.
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