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https://www.readbyqxmd.com/read/29149369/the-osps1-f-gene-regulates-growth-and-development-in-rice-by-modulating-photosynthetic-electron-transport-rate
#1
Rengasamy Ramamoorthy, Bhushan Vishal, Srinivasan Ramachandran, Prakash P Kumar
Ds insertion in rice OsPS1-F gene results in semi-dwarf plants with reduced tiller number and grain yield, while genetic complementation with OsPS1-F rescued the mutant phenotype. Photosynthetic electron transport is regulated in the chloroplast thylakoid membrane by multi-protein complexes. Studies about photosynthetic machinery and its subunits in crop plants are necessary, because they could be crucial for yield enhancement in the long term. Here, we report the characterization of OsPS1-F (encoding Oryza sativa PHOTOSYSTEM 1-F subunit) using a single copy Ds insertion rice mutant line...
November 17, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/29149288/overexpression-of-seipin1-increases-oil-in-hydroxy-fatty-acid-accumulating-seeds
#2
Daniel Lunn, James G Wallis, John Browse
While plant oils are an important source of food, plants also produce oils containing specialized fatty acids with chemical and physical properties valued in industry. Ricinoleic acid, a hydroxy-fatty acid (HFA) produced in the seed of castor (Ricinus communis), is of particular value with a wide range of applications. Since castor cultivation is currently successful only in tropic climates, and because castor seed contain the toxin ricin, there are ongoing efforts to develop a temperate crop capable of HFA biosynthesis...
November 15, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/29149287/genomic-and-epigenomic-immunity-in-common-bean-the-unusual-features-of-nb-lrr-gene-family
#3
Manon M S Richard, Ariane Gratias, Vincent Thareau, Kyung Do Kim, Sandrine Balzergue, Johann Joets, Scott A Jackson, Valérie Geffroy
In plants, a key class of genes comprising most of disease resistance (R) genes encodes Nucleotide-binding leucine-rich repeat (NL) proteins. Access to common bean (Phaseolus vulgaris) genome sequence provides unparalleled insight into the organization and evolution of this large gene family (∼400 NL) in this important crop. As observed in other plant species, most common bean NL are organized in cluster of genes. However, a particularity of common bean is that these clusters are often located in subtelomeric regions close to terminal knobs containing the satellite DNA khipu...
November 15, 2017: DNA Research: An International Journal for Rapid Publication of Reports on Genes and Genomes
https://www.readbyqxmd.com/read/29149285/draft-genome-analysis-provides-insights-into-the-fiber-yield-crude-protein-biosynthesis-and-vegetative-growth-of-domesticated-ramie-boehmeria-nivea-l-gaud
#4
Chan Liu, Liangbin Zeng, Siyuan Zhu, Lingqing Wu, Yanzhou Wang, Shouwei Tang, Hongwu Wang, Xia Zheng, Jian Zhao, Xiaorong Chen, Qiuzhong Dai, Touming Liu
Plentiful bast fiber, a high crude protein content, and vigorous vegetative growth make ramie a popular fiber and forage crop. Here, we report the draft genome of ramie, along with a genomic comparison and evolutionary analysis. The draft genome contained a sequence of approximately 335.6 Mb with 42,463 predicted genes. A high-density genetic map with 4,338 single nucleotide polymorphisms (SNPs) was developed and used to anchor the genome sequence, thus, creating an integrated genetic and physical map containing a 58...
November 15, 2017: DNA Research: An International Journal for Rapid Publication of Reports on Genes and Genomes
https://www.readbyqxmd.com/read/29149280/whole-genome-re-sequencing-of-two-italian-tomato-landraces-reveals-sequence-variations-in-genes-associated-with-stress-tolerance-fruit-quality-and-long-shelf-life-traits
#5
Valentina Tranchida-Lombardo, Riccardo Aiese Cigliano, Irantzu Anzar, Simone Landi, Samuela Palombieri, Chiara Colantuono, Hamed Bostan, Pasquale Termolino, Riccardo Aversano, Giorgia Batelli, Maria Cammareri, Domenico Carputo, Maria Luisa Chiusano, Clara Conicella, Federica Consiglio, Nunzio D'Agostino, Monica De Palma, Antonio Di Matteo, Silvana Grandillo, Walter Sanseverino, Marina Tucci, Stefania Grillo
Tomato is a high value crop and the primary model for fleshy fruit development and ripening. Breeding priorities include increased fruit quality, shelf life and tolerance to stresses. To contribute towards this goal, we re-sequenced the genomes of Corbarino (COR) and Lucariello (LUC) landraces, which both possess the traits of plant adaptation to water deficit, prolonged fruit shelf-life and good fruit quality. Through the newly developed pipeline Reconstructor, we generated the genome sequences of COR and LUC using datasets of 65...
November 14, 2017: DNA Research: An International Journal for Rapid Publication of Reports on Genes and Genomes
https://www.readbyqxmd.com/read/29148964/twenty-five-years-of-the-binary-power-law-for-characterizing-heterogeneity-of-disease-incidence
#6
Laurence V Madden, Gareth Hughes, Wanderson Bucker Moraes, Xiangming Xu, William W Turechek
Spatial pattern, an important epidemiological property of plant diseases, can be quantified at different scales using a range of methods. The spatial heterogeneity (or overdispersion) of disease incidence among sampling units is an especially important measure of small-scale pattern. As an alternative to Taylor's power law for the heterogeneity of counts with no upper bound, the binary power law (BPL) was proposed in 1992 as a model to represent the heterogeneity of disease incidence (number of plant units diseased out of n observed in each sampling unit, or the proportion diseased in each sampling unit)...
November 17, 2017: Phytopathology
https://www.readbyqxmd.com/read/29148615/farmers-perspective-on-herbicide-resistant-weeds-and-application-of-resistance-management-strategies-results-from-a-german-survey
#7
Lena Ulber, Dagmar Rissel
BACKGROUND: A herbicide resistance survey was conducted in Germany to determine farmers' awareness of herbicide resistance and experience with resistant weeds, the used information sources on herbicide resistance and methods employed to confirm resistance. In addition, the application pattern and perception of resistance management strategies by farmers were assessed. RESULTS: The majority of farmers (88%) was aware of the presence of herbicide resistance cases in Germany and 64% and 50% of farmers reported that resistant weeds were detected in their county or on their farm, respectively...
November 17, 2017: Pest Management Science
https://www.readbyqxmd.com/read/29147882/growth-inhibition-patterns-and-transfer-factor-profiles-in-arsenic-stressed-rice-oryza-sativa-l
#8
Ha-Il Jung, Jinwook Lee, Mi-Jin Chae, Myung-Suk Kong, Chang-Hoon Lee, Seong-Soo Kang, Yoo-Hak Kim
Arsenic (As) accumulation in rice owing to uptake from the soil is a critical human health issue. Here, we studied the chemical properties of As-treated soils, growth inhibition patterns of As-stressed rice plants, changes in the As content of soil and soil solutions, and the relationship between As accumulation and As transfer factor from the soil to the rice organs. Rice plants were cultivated in a greenhouse under four concentrations of As: 0 (control), 25, 50, and 75 mg kg(-1). A significant positive correlation was found between available P2O5 and exchangeable K and between As concentration and available P2O5 or exchangeable K...
November 16, 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/29147020/integrative-taxonomy-methods-reveal-high-mealybug-hemiptera-pseudococcidae-diversity-in-southern-brazilian-fruit-crops
#9
Vitor C Pacheco da Silva, Mehmet Bora Kaydan, Thibaut Malausa, Jean-François Germain, Ferran Palero, Marcos Botton
The Serra Gaúcha region is the most important temperate fruit-producing area in southern Brazil. Despite mealybugs (Hemiptera: Pseudococcidae) infesting several host plants in the region, there is a lack of information about the composition of species damaging different crops. A survey of mealybug species associated with commercial fruit crops (apple, persimmon, strawberry and grapes) was performed in Serra Gaúcha between 2013 and 2015, using both morphology and DNA analyses for species identification. The most abundant species were Pseudococcus viburni (Signoret), found on all four host plant species, and Dysmicoccus brevipes (Cockerell), infesting persimmon, vines and weeds...
November 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29146930/previous-crop-and-rotation-history-effects-on-maize-seedling-health-and-associated-rhizosphere-microbiome
#10
Maria-Soledad Benitez, Shannon L Osborne, R Michael Lehman
To evaluate crop rotation effects on maize seedling performance and its associated microbiome, maize plants were grown in the greenhouse in soils preceded by either maize, pea, soybean or sunflower. Soils originated from a replicated field experiment evaluating different four-year rotation combinations. In the greenhouse, a stressor was introduced by soil infestation with western corn rootworm (WCR) or Fusarium graminearum. Under non-infested conditions, maize seedlings grown in soils preceded by sunflower or pea had greater vigor...
November 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29146430/soil-biodiversity-effects-from-field-to-fork
#11
REVIEW
Matthias C Rillig, Anika Lehmann, Johannes Lehmann, Tessa Camenzind, Cornelia Rauh
Our knowledge of soil biodiversity in agriculture in general is currently increasing rapidly. However, almost all studies have stopped with the quantification of soil biodiversity effects on crops at harvest time, ignoring subsequent processes along the agrifood chain until food arrives on our plates. Here we develop a conceptual framework for the study of such postharvest effects. We present the main mechanisms (direct and indirect) via which soil biodiversity can influence crop quality aspects and give examples of how effects at harvest time may become attenuated through postharvest operations and how biodiversity may also affect some of these operations (i...
November 13, 2017: Trends in Plant Science
https://www.readbyqxmd.com/read/29146310/a-review-on-moringa-tree-and-vetiver-grass-potential-biorefinery-feedstocks
#12
REVIEW
Jegannathan Kenthorai Raman, Catarina M Alves, Edgard Gnansounou
Plants and derivatives have been explored for unlimited purposes by mankind, from crop cultivation for providing food and animal feed, to the use for cosmetics, therapeutics and energy. Moringa tree and vetiver grass features, capabilities and applications were explored through a literature review. The suitability of these plants for the bioenergy industry products is evidenced, namely for bioethanol, biogas and biodiesel, given the lignocellulosic biomass content of these plants and characteristics of moringa seed oil...
October 31, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/29146266/endophytism-or-saprophytism-decoding-the-lifestyle-transition-of-the-generalist-fungus-phomopsis-liquidambari
#13
Jun Zhou, Xin Li, Peng-Wei Huang, Chuan-Chao Dai
Filamentous ascomycete Phomopsis sp. are common inhabitants of natural ecosystems and, as saprophytes, are largely responsible for the destructive decay of litterfall, promoting the carbon and nitrogen cycles. Phomopsis liquidambari B3 can establish mutualistic symbiosis with a broad spectrum of crop plants. Colonizing dynamics observations and a growth promotion assay of rice and Arabidopsis thaliana revealed that the B3 colonization strategy is host-adapted and resulted in different growth promotions influenced by N availability...
January 2018: Microbiological Research
https://www.readbyqxmd.com/read/29146258/screening-of-tropically-derived-multi-trait-plant-growth-promoting-rhizobacteria-and-evaluation-of-corn-and-soybean-colonization-ability
#14
Bruna Durante Batista, Paulo Teixeira Lacava, Andrea Ferrari, Natalia Sousa Teixeira-Silva, Maria Letícia Bonatelli, Sarina Tsui, Mateus Mondin, Elliot Watanabe Kitajima, José Odair Pereira, João Lúcio Azevedo, Maria Carolina Quecine
The present study assessed the plant growth-promoting (PGP) traits and diversity of culturable rhizobacteria associated with guarana (Paullinia cupana), a typical tropical plant. Ninety-six bacteria were isolated, subjected to biochemical tests, and identified by partial or total 16S rDNA sequencing. Proteobacteria and Firmicutes were the dominant rhizospheric phyla found, and Burkholderia and Bacillus were the most abundant genera. Thirteen strains exhibited the four PGP traits evaluated, and most of them belonged to the genus Burkholderia...
January 2018: Microbiological Research
https://www.readbyqxmd.com/read/29146257/klebsiella-sp-confers-enhanced-tolerance-to-salinity-and-plant-growth-promotion-in-oat-seedlings-avena-sativa
#15
Swapnil Sapre, Iti Gontia-Mishra, Sharad Tiwari
Plant growth and yield is adversely affected by soil salinity. Salt tolerant plant growth-promoting rhizobacteria (PGPR) strain IG 3 was isolated from rhizosphere of wheat plants. The isolate IG 3 was able to grow in presence of NaCl ranging from 0 to 20% in Luria Bertani medium. The present study was planned to evaluate the role of inoculation of PGPR strain IG 3 and its efficacy in augmenting salt tolerance in oat (Avena sativa) under NaCl stress (100mM). The physiological parameter such as shoot length, root length, shoot dry weight, root dry weight and relative water content (RWC) were remarkably higher in IG 3 inoculated plants in comparison to un-inoculated plants under NaCl stress...
January 2018: Microbiological Research
https://www.readbyqxmd.com/read/29146152/improved-antifungal-activity-of-barley-derived-chitinase-i-gene-that-overexpress-a-32kda-recombinant-chitinase-in-escherichia-coli-host
#16
Nida Toufiq, Bushra Tabassum, Muhammad Umar Bhatti, Anwar Khan, Muhammad Tariq, Naila Shahid, Idrees Ahmad Nasir, Tayyab Husnain
Agricultural crops suffer many diseases, including fungal and bacterial infections, causing significant yield losses. The identification and characterisation of pathogenesis-related protein genes, such as chitinases, can lead to reduction in pathogen growth, thereby increasing tolerance against fungal pathogens. In the present study, the chitinase I gene was isolated from the genomic DNA of Barley (Hordeum vulgare L.) cultivar, Haider-93. The isolated DNA was used as template for the amplification of the ∼935bp full-length chitinase I gene...
October 31, 2017: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
https://www.readbyqxmd.com/read/29146075/persistent-organic-pollutant-emission-via-dust-deposition-throughout-pakistan-spatial-patterns-regional-cycling-and-their-implication-for-human-health-risks
#17
Muhammad Sohail, Syed Ali Musstjab Akber Shah Eqani, Joel Podgorski, Avit Kumar Bhowmik, Adeel Mahmood, Nadeem Ali, Tara Sabo-Attwood, Habib Bokhari, Heqing Shen
In the current study, Persistent Organic Pollutants (POPs) in outdoor dustfall was monitored for the first time along the Indus river system of Pakistan. Among the studied OCPs (ng/g, dry weight), DDTs (0.16-62) were the predominant contaminants identified in deposited dust followed by HCHs (0.1-10.2), HCB (0.09-7.4) and chlordanes (0.1-2.8). The indicative diagnostic ratio for DDTs and HCHs suggested recent emission of DDTs as well as historical emission of both chemicals in regions where they were used for crop protection and malarial control...
November 13, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29145809/genome-wide-characterization-and-expression-profiling-of-pdi-family-gene-reveals-function-as-abiotic-and-biotic-stress-tolerance-in-chinese-cabbage-brassica-rapa-ssp-pekinensis
#18
Md Abdul Kayum, Jong-In Park, Ujjal Kumar Nath, Gopal Saha, Manosh Kumar Biswas, Hoy-Taek Kim, Ill-Sup Nou
BACKGROUND: Protein disulfide isomerase (PDI) and PDI-like proteins contain thioredoxin domains that catalyze protein disulfide bond, inhibit aggregation of misfolded proteins, and function in isomerization during protein folding in endoplasmic reticulum and responses during abiotic stresses.Chinese cabbage is widely recognized as an economically important, nutritious vegetable, but its yield is severely hampered by various biotic and abiotic stresses. Because of, it is prime need to identify those genes whose are responsible for biotic and abiotic stress tolerance...
November 16, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29145496/insights-into-soybean-transcriptome-reconfiguration-under-hypoxic-stress-functional-regulatory-structural-and-compositional-characterization
#19
Thiago J Nakayama, Fabiana A Rodrigues, Norman Neumaier, Juliana Marcolino-Gomes, Hugo B C Molinari, Thaís R Santiago, Eduardo F Formighieri, Marcos F Basso, José R B Farias, Beatriz M Emygdio, Ana C B de Oliveira, Ângela D Campos, Aluízio Borém, Frank G Harmon, Liliane M Mertz-Henning, Alexandre L Nepomuceno
Soybean (Glycine max) is one of the major crops worldwide and flooding stress affects the production and expansion of cultivated areas. Oxygen is essential for mitochondrial aerobic respiration to supply the energy demand of plant cells. Because oxygen diffusion in water is 10,000 times lower than in air, partial (hypoxic) or total (anoxic) oxygen deficiency is important component of flooding. Even when oxygen is externally available, oxygen deficiency frequently occurs in bulky, dense or metabolically active tissues such as phloem, meristems, seeds, and fruits...
2017: PloS One
https://www.readbyqxmd.com/read/29145463/the-chicken-or-the-egg-exploring-bi-directional-associations-between-newcastle-disease-vaccination-and-village-chicken-flock-size-in-rural-tanzania
#20
Julia de Bruyn, Peter C Thomson, Brigitte Bagnol, Wende Maulaga, Elpidius Rukambile, Robyn G Alders
Newcastle disease (ND) is a viral disease of poultry with global importance, responsible for the loss of a potential source of household nutrition and economic livelihood in many low-income food-deficit countries. Periodic outbreaks of this endemic disease result in high mortality amongst free-ranging chicken flocks and may serve as a disincentive for rural households to invest time or resources in poultry-keeping. Sustainable ND control can be achieved through vaccination using a thermotolerant vaccine administered via eyedrop by trained "community vaccinators"...
2017: PloS One
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