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https://www.readbyqxmd.com/read/28106249/targeted-forcing-improves-quality-nutritional-and-health-value-of-sweet-cherry-fruit
#1
Verena Overbeck, Michaela Schmitz, Michael Blanke
BACKGROUND: Trade and consumers alike require premium quality cherries with high nutritional and health values preferably of local origin. While early fruit imports cannot supply such fruit, a new technology of forcing cherry emerged for an early local supply by covering the crop in spring. In the apparent scarcity of data on the resulting fruit quality, fruit characteristics of forced cherries were compared with those without cover RESULTS: Size and weight of forced cherry fruit were successfully increased by 6-14%...
January 20, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28100489/tale-induced-bhlh-transcription-factors-that-activate-a-pectate-lyase-contribute-to-water-soaking-in-bacterial-spot-of-tomato
#2
Allison R Schwartz, Robert Morbitzer, Thomas Lahaye, Brian J Staskawicz
AvrHah1 [avirulence (avr) gene homologous to avrBs3 and hax2, no. 1] is a transcription activator-like (TAL) effector (TALE) in Xanthomonas gardneri that induces water-soaked disease lesions on fruits and leaves during bacterial spot of tomato. We observe that water from outside the leaf is drawn into the apoplast in X. gardneri-infected, but not X. gardneriΔavrHah1 (XgΔavrHah1)-infected, plants, conferring a dark, water-soaked appearance. The pull of water can facilitate entry of additional bacterial cells into the apoplast...
January 18, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28100451/an-aphid-effector-targets-trafficking-protein-vps52-in-a-host-specific-manner-to-promote-virulence
#3
Patricia Rodriguez, Carmen Escudero-Martinez, Jorunn Bos
Plant- and animal-feeding insects secrete saliva inside their hosts, containing effectors, which may promote nutrient release and suppress immunity. Although for plant pathogenic microbes it is well established that effectors target host proteins to modulate host cell processes and promote disease, the host cell targets of herbivorous insects remain elusive. Here, we show that the existing plant pathogenic microbe effector paradigm can be extended to herbivorous insects in that effector-target interactions inside host cells modify critical host processes to promote plant susceptibility...
January 18, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28100080/the-commercialization-of-genome-editing-technologies
#4
Katelyn Brinegar, Ali K Yetisen, Sun Choi, Emily Vallillo, Guillermo U Ruiz-Esparza, Anand M Prabhakar, Ali Khademhosseini, Seok-Hyun Yun
The emergence of new gene-editing technologies is profoundly transforming human therapeutics, agriculture, and industrial biotechnology. Advances in clustered regularly interspaced short palindromic repeats (CRISPR) have created a fertile environment for mass-scale manufacturing of cost-effective products ranging from basic research to translational medicine. In our analyses, we evaluated the patent landscape of gene-editing technologies and found that in comparison to earlier gene-editing techniques, CRISPR has gained significant traction and this has established dominance...
January 18, 2017: Critical Reviews in Biotechnology
https://www.readbyqxmd.com/read/28094308/silicon-availability-modifies-nutrient-use-efficiency-and-content-c-n-p-stoichiometry-and-productivity-of-winter-wheat-triticum-aestivum-l
#5
Silke Neu, Jörg Schaller, E Gert Dudel
Silicon (Si) is known as beneficial element for graminaceous plants. The importance of Si for plant functioning of cereals was recently emphasized. However, about the effect of Si availability on biomass production, grain yield, nutrient status and nutrient use efficiency for wheat (Triticum aestivum L.), as one of the most important crop plants worldwide, less is known so far. Consequently, we assessed the effect of a broad range of supply levels of amorphous SiO2 on wheat plant performance. Our results revealed that Si is readily taken up and accumulated basically in aboveground vegetative organs...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28093983/an-approach-towards-structure-based-antimicrobial-peptide-design-for-use-in-development-of-transgenic-plants-a-strategy-for-plant-disease-management
#6
Humaira Ilyas, Aritreyee Datta, Anirban Bhunia
Antimicrobial peptides (AMPs), also known as host defense peptides (HDPs), are ubiquitous and vital components of innate defense response that present themselves as potential candidates for drug design, aimed to control plant and animal diseases. Though their application for plant disease management has long been studied with natural AMPs, cytotoxicity and stability related shortcomings for the development of transgenic plants limits their usage. Newer technologies like molecular modelling, NMR spectroscopy and combinatorial chemistry allow screening for potent candidates and provide new avenues for the generation of rationally designed synthetic AMPs with multiple biological functions...
January 16, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28093767/progress-in-modification-of-sunflower-oil-to-expand-its-industrial-value
#7
REVIEW
Saeed Rauf, Nazia Jamil, Sultan Ali Tariq, Maria Khan, Maria Kausar, YalcinKaya
Increasing the sunflower seed oil content as well as improving its quality makes it compatible for industrial demands. This is an important breeding objective of sunflower which increases its market value and ensures high returns for the producers. The present review focuses on determining the progress of improving sunflower seed oil content and modifying its quality by empirical and advanced molecular breeding methods. It is known that the oil content and quality of sunflower oil have been altered through empirical selection methods and mutation breeding programs in various parts of the world...
January 17, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28088010/challenges-and-opportunities-for-improving-food-quality-and-nutrition-through-plant-biotechnology
#8
REVIEW
David Francis, John J Finer, Erich Grotewold
Plant biotechnology has been around since the advent of humankind, resulting in tremendous improvements in plant cultivation through crop domestication, breeding and selection. The emergence of transgenic approaches involving the introduction of defined DNA sequences into plants by humans has rapidly changed the surface of our planet by further expanding the gene pool used by plant breeders for plant improvement. Transgenic approaches in food plants have raised concerns on the merits, social implications, ecological risks and true benefits of plant biotechnology...
January 11, 2017: Current Opinion in Biotechnology
https://www.readbyqxmd.com/read/28080208/a-research-program-for-the-socioeconomic-impacts-of-gene-editing-regulation
#9
Agustina I Whelan, Martin A Lema
Gene editing technologies are a group of recent innovations in plant breeding using molecular biology, which have in common the capability of introducing a site-directed mutation or deletion in the genome. The first cases of crops improved with these technologies are approaching the market; this has raised an international debate regarding if they should be regulated as genetically modified crops or just as another form of mutagenesis under conventional breeding. This dilemma for policymakers not only entails issues pertaining safety information and legal/regulatory definitions...
January 12, 2017: GM Crops & Food
https://www.readbyqxmd.com/read/28078413/establishment-of-a-sandwich-enzyme-linked-immunosorbent-assay-for-specific-detection-of-bacillus-thuringiensis-bt-cry1ab-toxin-utilizing-a-monoclonal-antibody-produced-with-a-novel-hapten-designed-with-molecular-model
#10
Sa Dong, Xiao Zhang, Yuan Liu, Cunzheng Zhang, Yajing Xie, Jianfeng Zhong, Chongxin Xu, Xianjin Liu
Cry1Ab toxin is commonly expressed in genetically modified crops in order to control chewing pests. At present, the detection method with enzyme-linked immunosorbent assay (ELISA) based on monoclonal antibody cannot specifically detect Cry1Ab toxin for Cry1Ab's amino acid sequence and spatial structure are highly similar to Cry1Ac toxin. In this study, based on molecular design, a novel hapten polypeptide was synthesized and conjugated to keyhole limpet hemocyanin (KLH). Then, through animal immunization with this antigen, a monoclonal antibody named 2C12, showing high affinity to Cry1Ab and having no cross reaction with Cry1Ac, was produced...
January 11, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28076998/phosphate-phytate-and-phytases-in-plants-from-fundamental-knowledge-gained-in-arabidopsis-to-potential-biotechnological-applications-in-wheat
#11
David Secco, Nadia Bouain, Aida Rouached, Chanakan Prom-U-Thai, Moez Hanin, Ajay K Pandey, Hatem Rouached
Phosphorus (P) is an essential macronutrient for all living organisms. In plants, P is taken up from the rhizosphere by the roots mainly as inorganic phosphate (Pi), which is required in large and sufficient quantities to maximize crop yields. In today's agricultural society, crop yield is mostly ensured by the excessive use of Pi fertilizers, a costly practice neither eco-friendly or sustainable. Therefore, generating plants with improved P use efficiency (PUE) is of major interest. Among the various strategies employed to date, attempts to engineer genetically modified crops with improved capacity to utilize phytate (PA), the largest soil P form and unfortunately not taken up by plants, remains a key challenge...
January 12, 2017: Critical Reviews in Biotechnology
https://www.readbyqxmd.com/read/28075688/genome-editing-of-crops-a-renewed-opportunity-for-food-security
#12
Fawzy Georges, Heather Ray
Genome editing of crop plants is a rapidly advancing technology whereby targeted mutations can be introduced into a plant genome in a highly specific manner and with great precision. For the most part, the technology does not incorporate transgenic modifications and is far superior to conventional chemical mutagenesis. In this study we bring into focus some of the underlying differences between the three existing technologies: classical plant breeding, genetic modification and genome editing. We discuss some of the main achievements from each area and highlight their common characteristics and individual limitations, while emphasizing the unique capabilities of genome editing...
January 11, 2017: GM Crops & Food
https://www.readbyqxmd.com/read/28067768/the-status-of-fusarium-mycotoxins-in-sub-saharan-africa-a-review-of-emerging-trends-and-post-harvest-mitigation-strategies-towards-food-control
#13
REVIEW
Cynthia Adaku Chilaka, Marthe De Boevre, Olusegun Oladimeji Atanda, Sarah De Saeger
Fusarium fungi are common plant pathogens causing several plant diseases. The presence of these molds in plants exposes crops to toxic secondary metabolites called Fusarium mycotoxins. The most studied Fusarium mycotoxins include fumonisins, zearalenone, and trichothecenes. Studies have highlighted the economic impact of mycotoxins produced by Fusarium. These arrays of toxins have been implicated as the causal agents of wide varieties of toxic health effects in humans and animals ranging from acute to chronic...
January 5, 2017: Toxins
https://www.readbyqxmd.com/read/28060553/determinants-of-willingness-to-consume-genetically-modified-gm-foods-and-the-potential-expenditure-in-nigeria
#14
L A Popoola, M A Otitoju, L Tanko
Consumption decision and likely expenditure are critical fundamentals that may ultimately shape the future of GM crops development and deployment in Nigeria. The present study constituted an attempt to examine factors of significance with bearing influence on these key consumer-led issues. Structured and pre-tested questionnaire were employed to elicit response from consumers. In all, 232 responses were analysed with Heckman two-stage selection model. The socio-economic data shows that majority of respondents (45...
January 6, 2017: GM Crops & Food
https://www.readbyqxmd.com/read/28053646/comparison-of-three-genomic-dna-extraction-methods-to-obtain-high-dna-quality-from-maize
#15
Amani Abdel-Latif, Gamal Osman
BACKGROUND: The world's top three cereals, based on their monetary value, are rice, wheat, and corn. In cereal crops, DNA extraction is difficult owing to rigid non-cellulose components in the cell wall of leaves and high starch and protein content in grains. The advanced techniques in molecular biology require pure and quick extraction of DNA. The majority of existing DNA extraction methods rely on long incubation and multiple precipitations or commercially available kits to produce contaminant-free high molecular weight DNA...
2017: Plant Methods
https://www.readbyqxmd.com/read/28040180/characterization-of-microbial-population-of-breba-and-main-crops-ficus-carica-during-cold-storage-influence-of-passive-modified-atmospheres-map-and-antimicrobial-extract-application
#16
María Del Carmen Villalobos, Manuel Joaquín Serradilla, Alberto Martín, Alejandro Hernández-León, Santiago Ruíz-Moyano, María de Guía Córdoba
The purpose of this work was to study the changes of bacterial and fungal population of breba fruits such as 'Banane' and 'San Antonio' as well as 'Cuello Dama Negro', 'Cuello Dama Blanco' and 'San Antonio' fig cultivars stored in passive modified atmospheres (MAP) by the use of three different microperforated films (M10 with 16 holes; M30 with five holes and M50 with three holes). Moreover the effects of the application of aqueous soy polyphenolic antimicrobial extract (APE), alone or combined with MAP, were also studied for 'Cuello Dama Negro' and 'Cuello Dama Blanco' fig cultivars...
May 2017: Food Microbiology
https://www.readbyqxmd.com/read/28036061/honey-bee-colonies-remote-monitoring-system
#17
Sergio Gil-Lebrero, Francisco Javier Quiles-Latorre, Manuel Ortiz-López, Víctor Sánchez-Ruiz, Victoria Gámiz-López, Juan Jesús Luna-Rodríguez
Bees are very important for terrestrial ecosystems and, above all, for the subsistence of many crops, due to their ability to pollinate flowers. Currently, the honey bee populations are decreasing due to colony collapse disorder (CCD). The reasons for CCD are not fully known, and as a result, it is essential to obtain all possible information on the environmental conditions surrounding the beehives. On the other hand, it is important to carry out such information gathering as non-intrusively as possible to avoid modifying the bees' work conditions and to obtain more reliable data...
December 29, 2016: Sensors
https://www.readbyqxmd.com/read/28027431/from-classical-mutagenesis-to-nuclease-based-breeding-directing-natural-dna-repair-for-a-natural-end-product
#18
Michael Pacher, Holger Puchta
The production of mutants of crop plants by the use of chemical or physical genotoxins has a long tradition. These factors induce the natural DNA repair machinery to repair damages in an error-prone way. In case of radiation, multiple double strand breaks (DSBs) are induced randomly in the genome, leading in very rare cases to a desirable phenotype. In recent years the use of synthetic, site directed nucleases (SDNs), also referred to as sequence specific nucleases (SSNs), like the CRISPR/Cas system, enabled scientists to use exactly the same naturally occurring DNA repair mechanisms for the controlled induction of genomic changes at predefined sites in plant genomes...
December 27, 2016: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28025595/transcript-polymorphism-rates-in-soybean-seed-tissue-are-increased-in-a-single-transformant-of-glycine-max
#19
Kevin C Lambirth, Adam M Whaley, Jessica A Schlueter, Kenneth J Piller, Kenneth L Bost
Transgenic crops have been utilized for decades to enhance agriculture and more recently have been applied as bioreactors for manufacturing pharmaceuticals. Recently, we investigated the gene expression profiles of several in-house transgenic soybean events, finding one transformant group to be consistently different from our controls. In the present study, we examined polymorphisms and sequence variations in the exomes of the same transgenic soybean events. We found that the previously dissimilar soybean line also exhibited markedly increased levels of polymorphisms within mRNA transcripts from seed tissue, many of which are classified as gene expression modifiers...
2016: International Journal of Plant Genomics
https://www.readbyqxmd.com/read/28025509/a-high-throughput-rna-extraction-for-sprouted-single-seed-barley-hordeum-vulgare-l-rich-in-polysaccharides
#20
Abdur Rashid, Thomas Baldwin, Michael Gines, Phil Bregitzer, Kathy Esvelt Klos
Germinated seed from cereal crops including barley (Hordeum vulgare L.) is an important tissue to extract RNA and analyze expression levels of genes that control aspects of germination. These tissues are rich in polysaccharides and most methods for RNA extraction are not suitable to handle the excess polysaccharides. Here, we compare the current methods for RNA extraction applicable to germinated barley tissue. We found that although some of these standard methods produced high-quality RNA, the process of extraction was drastically slow, mostly because the frozen seed tissue powder from liquid N₂ grinding became recalcitrant to buffer mixing...
December 22, 2016: Plants (Basel, Switzerland)
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