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Iron stress in plants | Genome Biology | Full Text
Although iron is an essential nutrient for plants, its accumulation within cells can be toxic. Plants, therefore, respond to both iron deficiency and iron excess by inducing expression of different gene sets. Here, we review recent advances in the understanding of iron homeostasis in plants gained through functional genomic approaches.
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Mutation in Nicotianamine Aminotransferase Stimulated the Fe
Aug 22, 2007 · Significant Accumulation of NA in naat1 Plants. To investigate whether disruption of the NAAT1 enzyme affects accumulation of the NAAT1 substrate NA, we measured NA content in shoots and roots of 10-d-old naat1 and wild-type seedlings with a supply of 35 m citrate-Fe(III), 125 m EDTA-Fe(II), or no Fe.
Longjun Cheng, Fang Wang, Huixia Shou, Fangliang Huang, Luqing Zheng, Fei He, Jinhui Li, Fang Jie Zh 154 2007Inquire Now
Influence of iron plaque on uptake and accumulation of Cd by
A common feature of aquatic plants such as rice is the formation of iron plaque on the root surfaces due to the release of O 2 and oxidants in the rhizosphere and the subsequent oxidation of ferrous to ferric iron with the precipitation of iron oxide or hydroxide on the root surface (Chen et al., 1980, Taylor and Crowder, 1983b, Taylor et al
Houjun Liu, Houjun Liu, Junling Zhang, Peter Christie, Fusuo Zhang 181 2008Inquire Now
AtIRT1, the Primary Iron Uptake Transporter in the Root
Ni competes with iron (Fe) in vivo, raising the possibility that Ni is competitively taken up via the Fe uptake system in plants. Here, we show evidence that AtIRT1, the primary Fe 2+ uptake transporter in the root , mediates Ni accumulation in Arabidopsis thaliana .
Sho Nishida, Chisato Tsuzuki, Aki Kato, Ayaka Aisu, Junko Yoshida, Takafumi Mizuno 148 2011Inquire Now
Biomass and iron accumulation in plants of Pinus pseudotrobus
All plants showed the characteristic structures of the corresponding micorrhizal species, control plants showed no micorrhization. 2.2. Experimental design. In order to test the effect of the presence of endo- and ectomycorrhizal fungi in the soil on the tree species performance and iron accumulation it was necessary, in the case of P.
Roberto Lindig-Cisneros, Javier Villegas, Ana Laura Báez-Pérez, Mariela Gómez-Romero 2019Inquire Now
(PDF) Iron Transport and Signaling in Plants
Accumulation of YS1 mRN A in shoots of iron-decient plants suggests that YS1 may also function in iron transport throughout the plant (Figure 2). An in silico search for protein sequences
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Guerinot discusses metal uptake, transport, and accumulation
Iron accumulation in plants and nutrition. Guerinots group analyzes plant iron content to search for mutants that can more readily absorb iron, and to determine the genes associated with iron uptake.
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Dissection of iron signaling and iron accumulation by
Iron is an essential growth determinant for plants, and plants acquire this micronutrient in amounts they need in their environment. Plants can increase iron uptake in response to a regulatory
Maria Augusta Naranjo-Arcos, Maria Augusta Naranjo-Arcos, Felix Maurer, Johannes Meiser, Stephanie P 19 2017Inquire Now
Iron Chlorosis: Fixing An Iron Deficiency In Plants
The most obvious symptom of iron deficiency in plants is commonly called leaf chlorosis. This is where the leaves of the plant turn yellow, but the veins of the leaves stay green. Typically, leaf chlorosis will start at the tips of new growth in the plant and will eventually work its way to older leaves on the plant as the deficiency gets worse.
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IRON MAN is a ubiquitous family of peptides - Nature Plants
Oct 15, 2018 · Iron (Fe) is an essential mineral nutrient that severely affects the growth, yield and nutritional quality of plants if not supplied in sufficient quantities. Here, we report that a short C
Louis Grillet, Ping Lan, Ping Lan, Wenfeng Li, Wenfeng Li, Girish Mokkapati, Girish Mokkapati, Wolfg 27 2018Inquire Now
Directed plant cell-wall accumulation of iron: embedding co
Shoot iron content and biomass yield of transgenic plants Since iron accumulation is the main plant trait that is essential to the goal of this study, the initial measurement of iron content was conducted using the stems of these ten transformants at their T2 generation. Of these ten transformants, two transformants (FerEX-8a and -10g)
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Function Of Iron - Learn About The Role Of Iron In Plants
Iron for plants can come from a number of sources. Ferric oxide is a chemical present in soil that gives dirt a distinctive red color, and plants can absorb iron from this chemical. Iron is also present in decomposing plant matter, so adding compost to your soil or even allowing dead leaves to collect on the surface can help to add iron to your
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List of hyperaccumulators - Wikipedia
Accumulation rates (in mg/kg dry weight) Binomial name English name H-Hyperaccumulator or A-Accumulator P-Precipitator T-Tolerant Notes Sources Al: A-Agrostis castellana: Highland Bent Grass: As(A), Mn(A), Pb(A), Zn(A) Origin Portugal. Al: 1000: Hordeum vulgare: Barley: 25 records of plants. Al: Hydrangea spp. Hydrangea (a.k.a. Hortensia) Al
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Using iron fertilizer to control Cd accumulation in rice
Effects of two kinds of iron fertilizer, FeSO4 and EDTA·Na2Fe were studied on cadmium accumulation in rice plants with two rice genotypes, Zhongzao 22 and Zhongjiazao 02, with soil culture systems. The results showed that application of iron fertilizers could hardly make adverse effects on plant growth and rice grain yield. Soil application of EDTA·Na2Fe significantly reduced the Cd
GuoSheng Shao, MingXue Chen, DanYing Wang, ChunMei Xu, RenXiang Mou, ZhaoYun Cao, XiuFu Zhang 31 2008Inquire Now
Iron Accumulation, Root Peroxidase Activity, and Varietal
At the highest level of nutrient iron the rated efficiencies were E-9gt; HAgt; I-10gt; PI. Accumulation of iron in the primary leaves provided an excellent indication of whole-plant iron accumulation. A reduction in accumulation of iron by efficient plants occurred when the plants were grown together in the same solution as inefficient ones.
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Iron accumulation and enhanced growth in transgenic lettuce
We have produced transgenic lettuce plants accumulating the iron storage protein ferritin. The integration of the ferritin gene and expression levels in leaves were examined by Southern- and Western-blot analysis, respectively. It was shown that transgenic lettuce plants contained iron levels ranging from 1.2 to 1.7 times that of the control plants, however, the manganese content in transgenic
F. Goto, T. Yoshihara, H. Saiki 174 2000Inquire Now
SL353/SS555: Iron (Fe) Nutrition of Plants
In 1844, Eusebe Gris showed that certain chlorosis in plants could be reversed by treating roots and leaves with iron solutions. Iron is a micronutrient and is required by plants in small amounts. Most annual plants have a requirement for Fe on the order of 1 to 1.5 lb Fe per acre, compared with nitrogen (N) at 80 to 200 lb per acre.
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Iron-binding haemerythrin RING ubiquitin ligases regulate
OsHRZ-knockdown plants exhibit substantial tolerance to iron deficiency, and accumulate more iron in their shoots and grains irrespective of soil iron conditions. The expression of iron deficiency-inducible genes involved in iron utilization is enhanced in OsHRZ -knockdown plants, mostly under iron-sufficient conditions.
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Cell wall targeted in planta iron accumulation enhances
Here, we show a new strategy for in planta accumulation of iron throughout the volume of the cell wall where iron acts as a catalyst in the deconstruction of lignocellulosic biomass. We engineered CBM-IBP fusion more » polypeptides composed of a carbohydrate-binding module family 11 (CBM11) and an iron-binding peptide (IBP) for secretion into
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IRON ACCUMULATION IN TRANSGENIC PLANTS EXPRESSING THE SOYBEAN
The iron content of transgenic plants was higher than that of control plants. The highest iron content of leaves from transformed tobacco and lettuce, in which the exogenous ferritin gene was expressed constitutively, was approximately 30% and 70% higher than leaves from control plant, respectively.
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