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Phosphate nutrition plant

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https://www.readbyqxmd.com/read/28108919/modification-of-the-137-cs-90-sr-and-60-co-transfer-to-wheat-plantlets-by-nh4-fertilizers
#1
J Guillén, G Muñoz-Muñoz, A Baeza, A Salas, N Mocanu
Inorganic fertilizers are used as agricultural countermeasures intended to inhibit the soil to plant transfer of radionuclides after a radioactive fallout. Two NH4(+) fertilizers, diammonium phosphate (DAP) and NPK, were applied to soil contaminated with a mixture of radionuclides to analyze whether they modify the transfer of (137)Cs, (90)Sr, and (60)Co and stable elements (K, Na, Ca, and Mg) to wheat plantlets grown under controlled laboratory conditions. DAP introduced NH4(+) in the soil, which can increase (137)Cs transfer, while NPK also introduced K(+), which can decrease it...
January 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28105944/gene-expression-profiling-of-flax-linum-usitatissimum-l-under-edaphic-stress
#2
Alexey A Dmitriev, Anna V Kudryavtseva, George S Krasnov, Nadezhda V Koroban, Anna S Speranskaya, Anastasia A Krinitsina, Maxim S Belenikin, Anastasiya V Snezhkina, Asiya F Sadritdinova, Natalya V Kishlyan, Tatiana A Rozhmina, Olga Yu Yurkevich, Olga V Muravenko, Nadezhda L Bolsheva, Nataliya V Melnikova
BACKGROUND: Cultivated flax (Linum usitatissimum L.) is widely used for production of textile, food, chemical and pharmaceutical products. However, various stresses decrease flax production. Search for genes, which are involved in stress response, is necessary for breeding of adaptive cultivars. Imbalanced concentration of nutrient elements in soil decrease flax yields and also results in heritable changes in some flax lines. The appearance of Linum Insertion Sequence 1 (LIS-1) is the most studied modification...
November 16, 2016: BMC Plant Biology
https://www.readbyqxmd.com/read/28070736/genome-wide-analysis-of-mirnas-and-tasi-rnas-in-zea-mays-in-response-to-phosphate-deficiency
#3
Saurabh Gupta, Manju Kumari, Himansu Kumar, Pritish Kumar Varadwaj
Globally important cereal crop maize provides important nutritions and starch in dietary foods. Low phosphate (LPi) availability in the soil frequently limits the maize quality and yield across the world. Small non-coding RNAs (Snc-RNAs) play crucial roles in growth and adaptation of plants to the environment. Snc-RNAs like microRNAs (miRs) and trans-acting small interfering RNAs (Tasi-Rs) play important functions in posttranscriptional regulation of gene expression, which controls plant development, reproduction, and biotic/abiotic stress responses...
January 9, 2017: Functional & Integrative Genomics
https://www.readbyqxmd.com/read/27992519/site-dependent-differences-in-dna-methylation-and-their-impact-on-plant-establishment-and-phosphorus-nutrition-in-populus-trichocarpa
#4
Brigitte Schönberger, Xiaochao Chen, Svenja Mager, Uwe Ludewig
The propagation via clonal stem cuttings is a frequent practice in tree plantations. Despite their clonal origin, the trees establish differently according to weather, temperature and nutrient availability, as well as the presence of various stresses. Here, clonal Populus trichocarpa (cv. Muhle Larson) cuttings from different sites were transferred into a common, fully nutrient supplied environment. Despite identical underlying genetics, stem cuttings derived from sites with lower phosphorus availability established worse, independent of phosphorus (P) level after transplantation...
2016: PloS One
https://www.readbyqxmd.com/read/27990026/assessment-of-bioavailable-organic-phosphorus-in-tropical-forest-soils-by-organic-acid-extraction-and-phosphatase-hydrolysis
#5
Tegan Darch, Martin S A Blackwell, David Chadwick, Philip M Haygarth, Jane M B Hawkins, Benjamin L Turner
Soil organic phosphorus contributes to the nutrition of tropical trees, but is not accounted for in standard soil phosphorus tests. Plants and microbes can release organic anions to solubilize organic phosphorus from soil surfaces, and synthesize phosphatases to release inorganic phosphate from the solubilized compounds. We developed a procedure to estimate bioavailable organic phosphorus in tropical forest soils by simulating the secretion processes of organic acids and phosphatases. Five lowland tropical forest soils with contrasting properties (pH 4...
December 15, 2016: Geoderma
https://www.readbyqxmd.com/read/27900695/function-based-metagenomic-library-screening-and-heterologous-expression-strategy-for-genes-encoding-phosphatase-activity
#6
Genis A Castillo Villamizar, Heiko Nacke, Rolf Daniel
The release of phosphate from inorganic and organic phosphorus compounds can be mediated enzymatically. Phosphate-releasing enzymes, comprising acid and alkaline phosphatases, are recognized as useful biocatalysts in applications such as plant and animal nutrition, bioremediation and diagnostic analysis. Metagenomic approaches provide access to novel phosphatase-encoding genes. Here, we describe a function-based screening approach for rapid identification of genes conferring phosphatase activity from small-insert and large-insert metagenomic libraries derived from various environments...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27812010/membrane-glycerolipidome-of-soybean-root-hairs-and-its-response-to-nitrogen-and-phosphate-availability
#7
Fang Wei, Brian Fanella, Liang Guo, Xuemin Wang
Root hairs are tubular extensions of specific root epidermal cells important in plant nutrition and water absorption. To determine membrane glycerolipids in root hairs and roots may differ, as well as their respective response to nutrient availability, this study analyzed the membrane glycerolipid species in soybean root hairs and in roots stripped of root hairs, and their response to nitrogen (N) and phosphate (Pi) supplementation. The ratio of phospholipids to galactolipids was 1.5 fold higher in root hairs than in stripped roots...
November 4, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27803186/metabolism-of-toxic-sugars-by-strains-of-the-bee-gut-symbiont-gilliamella-apicola
#8
Hao Zheng, Alex Nishida, Waldan K Kwong, Hauke Koch, Philipp Engel, Margaret I Steele, Nancy A Moran
: Social bees collect carbohydrate-rich food to support their colonies, and yet, certain carbohydrates present in their diet or produced through the breakdown of pollen are toxic to bees. The gut microbiota of social bees is dominated by a few core bacterial species, including the Gram-negative species Gilliamella apicola We isolated 42 strains of G. apicola from guts of honey bees and bumble bees and sequenced their genomes. All of the G. apicola strains share high 16S rRNA gene similarity, but they vary extensively in gene repertoires related to carbohydrate metabolism...
November 1, 2016: MBio
https://www.readbyqxmd.com/read/27754463/an-overview-of-plant-phenolic-compounds-and-their-importance-in-human-nutrition-and-management-of-type-2-diabetes
#9
REVIEW
Derong Lin, Mengshi Xiao, Jingjing Zhao, Zhuohao Li, Baoshan Xing, Xindan Li, Maozhu Kong, Liangyu Li, Qing Zhang, Yaowen Liu, Hong Chen, Wen Qin, Hejun Wu, Saiyan Chen
In this paper, the biosynthesis process of phenolic compounds in plants is summarized, which include the shikimate, pentose phosphate and phenylpropanoid pathways. Plant phenolic compounds can act as antioxidants, structural polymers (lignin), attractants (flavonoids and carotenoids), UV screens (flavonoids), signal compounds (salicylic acid, flavonoids) and defense response chemicals (tannins, phytoalexins). From a human physiological standpoint, phenolic compounds are vital in defense responses, such as anti-aging, anti-inflammatory, antioxidant and anti-proliferative activities...
October 15, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27743400/the-host-plant-pinus-pinaster-exerts-specific-effects-on-phosphate-efflux-and-polyphosphate-metabolism-of-the-ectomycorrhizal-fungus-hebeloma-cylindrosporum-a-radiotracer-cytological-staining-and-31-p-nmr-spectroscopy-study
#10
Margarita Torres-Aquino, Adeline Becquer, Christine Le Guernevé, Julien Louche, Laurie K Amenc, Siobhan Staunton, Hervé Quiquampoix, Claude Plassard
Ectomycorrhizal (ECM) association can improve plant phosphorus (P) nutrition. Polyphosphates (polyP) synthesized in distant fungal cells after P uptake may contribute to P supply from the fungus to the host plant if they are hydrolyzed to phosphate in ECM roots then transferred to the host plant when required. In this study, we addressed this hypothesis for the ECM fungus Hebeloma cylindrosporum grown in vitro and incubated without plant or with host (Pinus pinaster) and non-host (Zea mays) plants, using an experimental system simulating the symbiotic interface...
October 14, 2016: Plant, Cell & Environment
https://www.readbyqxmd.com/read/27537548/organic-wheat-farming-improves-grain-zinc-concentration
#11
Julian Helfenstein, Isabel Müller, Roman Grüter, Gurbir Bhullar, Lokendra Mandloi, Andreas Papritz, Michael Siegrist, Rainer Schulin, Emmanuel Frossard
Zinc (Zn) nutrition is of key relevance in India, as a large fraction of the population suffers from Zn malnutrition and many soils contain little plant available Zn. In this study we compared organic and conventional wheat cropping systems with respect to DTPA (diethylene triamine pentaacetic acid)-extractable Zn as a proxy for plant available Zn, yield, and grain Zn concentration. We analyzed soil and wheat grain samples from 30 organic and 30 conventional farms in Madhya Pradesh (central India), and conducted farmer interviews to elucidate sociological and management variables...
2016: PloS One
https://www.readbyqxmd.com/read/27514454/take-a-trip-through-the-plant-and-fungal-transportome-of-mycorrhiza
#12
Kevin Garcia, Joan Doidy, Sabine D Zimmermann, Daniel Wipf, Pierre-Emmanuel Courty
Soil nutrient acquisition and exchanges through symbiotic plant-fungus interactions in the rhizosphere are key features for the current agricultural and environmental challenges. Improved crop yield and plant mineral nutrition through a fungal symbiont has been widely described. In return, the host plant supplies carbon substrates to its fungal partner. We review here recent progress on molecular players of membrane transport involved in nutritional exchanges between mycorrhizal plants and fungi. We cover the transportome, from the transport proteins involved in sugar fluxes from plants towards fungi, to the uptake from the soil and exchange of nitrogen, phosphate, potassium, sulfate, and water...
August 8, 2016: Trends in Plant Science
https://www.readbyqxmd.com/read/27465293/evaluation-of-nano-structured-slow-release-fertilizer-on-the-soil-fertility-yield-and-nutritional-profile-of-vigna-radiata
#13
R Mala, A S Ruby Celsia, S Vidhya Bharathi, S Raja Blessina, Uma Maheswari
BACKGROUND: The excessive use of fertilizers and pesticides has distorted soil composition, fertility and integ-rity with relevant and non-desirable environmental and ecological consequences. A strategy was designed to prepare a nano structured slow release fertilizer system that delivers nutrients and plant growth promoting Rhizobacteria simultaneously. Slow release nano phosphate and potash fertilizer was prepared by blending the nano emulsion of fertilizer with neem cake and PGPR. METHODS: The influence of nano structured slow release fertilizer on the biochemical characteristics, soil and yield attributes of Vigna radiata was studied in the field by randomized block design...
July 26, 2016: Recent Patents on Nanotechnology
https://www.readbyqxmd.com/read/27393998/bacteria-as-growth-promoting-agents-for-citrus-rootstocks
#14
Valdionei Giassi, Camila Kiritani, Katia Cristina Kupper
The microbial community plays an essential role in maintaining the ecological balance of soils. Interactions between microorganisms and plants have a major influence on the nutrition and health of the latter, and growth-promoting rhizobacteria can be used to improve plant development through a wide range of mechanisms. Therefore, the objective of the present study was to evaluate bacteria as growth-promoting agents for citrus rootstocks. A total of 30 bacterial isolates (11 of Bacillus spp., 11 actinobacteria, and 8 lactic acid bacteria) were evaluated in vitro for indoleacetic acid production, phosphate solubilization, and nitrogen (N) fixation...
September 2016: Microbiological Research
https://www.readbyqxmd.com/read/27379240/drivers-of-plant-availability-of-phosphorus-from-thermally-conditioned-sewage-sludge-as-assessed-by-isotopic-labeling
#15
Andry Andriamananjara, Lilia Rabeharisoa, Loïc Prud'homme, Christian Morel
Urban sewage sludge is a potential source of phosphorus (P) for agriculture and represents an alternative way to recycle P as fertilizer. However, the use of thermally conditioned sewage sludge (TCSS) required an accurate assessment of its value as P-fertilizer. This work aimed at assessing the plant-availability of P from TCSS. Uptake of P by a mixture of ryegrass and fescue from TCSS and triple super phosphate (TSP) fertilizers was studied using (32)P-labeling technique in a greenhouse experiment. Phosphorus was applied at the rate of 50 mg P kg(-1)...
2016: Frontiers in Nutrition
https://www.readbyqxmd.com/read/27375667/lack-of-h-pyrophosphatase-prompts-developmental-damage-in-arabidopsis-leaves-on-ammonia-free-culture-medium
#16
Mayu Fukuda, Shoji Segami, Takaaki Tomoyama, Mariko Asaoka, Yoichi Nakanishi, Shizuka Gunji, Ali Ferjani, Masayoshi Maeshima
The plant vacuolar H(+)-pyrophosphatase (H(+)-PPase) functions as a proton pump coupled with the hydrolysis of pyrophosphate (PPi). Loss-of-function mutants (fugu5s and vhp1) of the H(+)-PPase of Arabidopsis thaliana show clear morphological phenotypes in the cotyledons, caused by inhibition of gluconeogenesis from seed storage lipids due to excessive accumulation of PPi. In this study, we investigated the phenotypes of the fugu5 and vhp1 mutants during vegetative growth under a specific nitrogen nutritional regime...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27322096/a-ptdins-4-p-driven-electrostatic-field-controls-cell-membrane-identity-and-signalling-in-plants
#17
Mathilde Laetitia Audrey Simon, Matthieu Pierre Platre, Maria Mar Marquès-Bueno, Laia Armengot, Thomas Stanislas, Vincent Bayle, Marie-Cécile Caillaud, Yvon Jaillais
Many signalling proteins permanently or transiently localize to specific organelles. It is well established that certain lipids act as biochemical landmarks to specify compartment identity. However, they also influence membrane biophysical properties, which emerge as important features in specifying cellular territories. Such parameters include the membrane inner surface potential, which varies according to the lipid composition of each organelle. Here, we found that the plant plasma membrane (PM) and the cell plate of dividing cells have a unique electrostatic signature controlled by phosphatidylinositol-4-phosphate (PtdIns(4)P)...
June 20, 2016: Nature Plants
https://www.readbyqxmd.com/read/27242822/overexpression-of-thiamin-biosynthesis-genes-in-rice-increases-leaf-and-unpolished-grain-thiamin-content-but-not-resistance-to-xanthomonas-oryzae-pv-oryzae
#18
Wei Dong, Nicholas Thomas, Pamela C Ronald, Aymeric Goyer
Thiamin diphosphate (ThDP), also known as vitamin B1, serves as an enzymatic cofactor in glucose metabolism, the Krebs cycle, and branched-chain amino acid biosynthesis in all living organisms. Unlike plants and microorganisms, humans are not able to synthesize ThDP de novo and must obtain it from their diet. Staple crops such as rice are poor sources of thiamin. Hence, populations that mainly consume rice commonly suffer thiamin deficiency. In addition to thiamin's nutritional function, studies in rice have shown that some thiamin biosynthesis genes are involved in resistance to Xanthomonas oryzae, which causes a serious disease in rice fields...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27242808/de-novo-taproot-transcriptome-sequencing-and-analysis-of-major-genes-involved-in-sucrose-metabolism-in-radish-raphanus-sativus-l
#19
Rugang Yu, Liang Xu, Wei Zhang, Yan Wang, Xiaobo Luo, Ronghua Wang, Xianwen Zhu, Yang Xie, Benard Karanja, Liwang Liu
Radish (Raphanus sativus L.) is an important annual or biennial root vegetable crop. The fleshy taproot comprises the main edible portion of the plant with high nutrition and medical value. Molecular biology study of radish begun rather later, and lacks sufficient transcriptomic and genomic data in pubic databases for understanding of the molecular mechanism during the radish taproot formation. To develop a comprehensive overview of the 'NAU-YH' root transcriptome, a cDNA library, prepared from three equally mixed RNA of taproots at different developmental stages including pre-cortex splitting stage, cortex splitting stage, and expanding stage was sequenced using high-throughput Illumina RNA sequencing...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27208734/arbuscular-mycorrhizal-growth-responses-are-fungal-specific-but-do-not-differ-between-soybean-genotypes-with-different-phosphate-efficiency
#20
Xiurong Wang, Shaopeng Zhao, Heike Bücking
BACKGROUND AND AIMS: Arbuscular mycorrhizal (AM) fungi play a key role in the phosphate (P) uptake of many important crop species, but the mechanisms that control their efficiency and their contribution to the P nutrition of the host plant are only poorly understood. METHODS: The P uptake and growth potential of two soybean genotypes that differ in their root architectural traits and P acquisition efficiency were studied after colonization with different AM fungi and the transcript levels of plant P transporters involved in the plant or mycorrhizal P uptake pathway were examined...
July 2016: Annals of Botany
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