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https://www.readbyqxmd.com/read/29028269/acceptance-and-adoption-of-biofortified-crops-in-low-and-middle-income-countries-a-systematic-review
#1
Elise F Talsma, Alida Melse-Boonstra, Inge D Brouwer
Biofortification of staple crops is a promising strategy for increasing the nutrient density of diets in order to improve human health. The willingness of consumers and producers to accept new crop varieties will determine whether biofortification can be successfully implemented. This review assessed sensory acceptance and adoption of biofortified crops and the determining factors for acceptance and adoption among consumers and producers in low- and middle-income countries. PubMed, Scopus, and Web of Science were searched for published reports...
October 1, 2017: Nutrition Reviews
https://www.readbyqxmd.com/read/29027887/frequent-shifts-in-aspergillus-flavus-populations-associated-with-maize-production-in-sonora-mexico
#2
Alejandro Ortega-Beltran, Peter Cotty
Aspergillus flavus frequently contaminates maize, a critical staple of billions, with aflatoxins. Diversity among A. flavus L morphotype populations associated with maize in Sonora, Mexico was assessed and a total of 869 isolates from 83 fields were placed into 136 vegetative compatibility groups (VCGs) using nitrate-nonutilizing mutants. VCG diversity indices did not differ in four agroecosystems (AES) but diversity significantly differed among years. Frequencies of certain VCGs changed manyfold over single years in both multiple fields and multiple AES...
October 13, 2017: Phytopathology
https://www.readbyqxmd.com/read/29027331/when-does-it-pay-to-invest-in-a-patch-the-evolution-of-intentional-niche-construction
#3
Kathryn A Mohlenhoff, Brian F Codding
Humans modify their environments in ways that significantly transform the earth's ecosystems. Recent research suggests that such niche-constructing behaviors are not passive human responses to environmental variation, but instead should be seen as active and intentional management of the environment. Although such research is useful in highlighting the interactive dynamics between humans and their natural world, the niche-construction framework, as currently applied, fails to explain why people would decide to modify their environments in the first place...
September 2017: Evolutionary Anthropology
https://www.readbyqxmd.com/read/29025420/genetic-variation-and-population-structure-of-maize-inbred-lines-adapted-to-the-mid-altitude-sub-humid-maize-agro-ecology-of-ethiopia-using-single-nucleotide-polymorphic-snp-markers
#4
Berhanu Tadesse Ertiro, Kassa Semagn, Biswanath Das, Michael Olsen, Maryke Labuschagne, Mosisa Worku, Dagne Wegary, Girum Azmach, Veronica Ogugo, Tolera Keno, Beyene Abebe, Temesgen Chibsa, Abebe Menkir
BACKGROUND: Molecular characterization is important for efficient utilization of germplasm and development of improved varieties. In the present study, we investigated the genetic purity, relatedness and population structure of 265 maize inbred lines from the Ethiopian Institute of Agricultural Research (EIAR), the International Maize and Wheat Improvement Centre (CIMMYT) and the International Institute of Tropical Agriculture (IITA) using 220,878 single nucleotide polymorphic (SNP) markers obtained using genotyping by sequencing (GBS)...
October 12, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29025411/maize-rna-poliv-affects-the-expression-of-genes-with-nearby-te-insertions-and-has-a-genome-wide-repressive-impact-on-transcription
#5
Cristian Forestan, Silvia Farinati, Riccardo Aiese Cigliano, Alice Lunardon, Walter Sanseverino, Serena Varotto
BACKGROUND: RNA-directed DNA methylation (RdDM) is a plant-specific epigenetic process that relies on the RNA polymerase IV (Pol IV) for the production of 24 nucleotide small interfering RNAs (siRNA) that guide the cytosine methylation and silencing of genes and transposons. Zea mays RPD1/RMR6 gene encodes the largest subunit of Pol IV and is required for normal plant development, paramutation, transcriptional repression of certain transposable elements (TEs) and transcriptional regulation of specific alleles...
October 12, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29024312/feeding-forage-mixtures-of-alfalfa-hay-and-maize-stover-optimizes-growth-performance-and-carcass-characteristics-of-lambs
#6
Lin Sun, Qiang Yin, Ge Gentu, Yanlin Xue, Meiling Hou, Liying Liu, Yushan Jia
A feeding experiment was carried out to determine the effects of different proportions of alfalfa hay and maize stover on the growth performance and carcass characteristics of fattening lambs. Forty-two healthy 3.5-month-old male Small-tail Han lambs of 23.89 ± 0.38 kg body mass were assigned to seven groups, which were fed mixed diets composed of maize stover and alfalfa hay containing 0%, 30%, 40%, 50%, 60%, 70% or 100% maize stover on a dry matter (DM) basis. Each lamb received 1.5 kg DM of forage mixture three times daily and supplementary concentrate (0...
October 11, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29024026/computational-characterization-of-substrate-and-product-specificities-and-functionality-of-sam-binding-pocket-in-histone-lysine-methyltransferases-from-arabidopsis-rice-and-maize
#7
Mutyala Satish, M Angel Nivya, Suman Abhishek, Naveen Kumar Nakarakanti, Dixit Shivani, M Vinuthna Vani, Eerappa Rajakumara
Histone lysine methylation by histone lysine methyltransferases (HKMTs) has been implicated in regulation of gene expression. While significant progress has been made to understand the roles and mechanisms of animal HKMT functions, only a few plant HKMTs are functionally characterized. To unravel histone substrate specificity, degree of methylation and catalytic activity, we analysed ATX, SUVH, SUVR, ATXR5, ATXR6, and E(Z) HKMTs of Arabidopsis, maize and rice through sequence and structure comparison. We show that ATXs may exhibit methyltransferase specificity towards histone 3 lysine 4 (H3K4) and might catalyse the tri-methylation...
October 11, 2017: Proteins
https://www.readbyqxmd.com/read/29023051/nutritional-properties-assessment-of-endogenous-and-improved-varieties-of-maize-zea-mays-l-grown-in-southern-benin
#8
Semassa Adjobignon Josiane, Anihouvi Victor Bienvenu, Padonou Segla Wilfried, Adjanohoun Adolphe, Aly Djima, Gbenou Joachin, Baba-Moussa Lamine
BACKGROUND AND OBJECTIVE: A wide range of maize varieties is used in Benin but information on the nutritional characteristics of these varieties are not well known. This study aims to assess the nutritional composition of maize varieties in use in the southern region of Benin with the purpose of providing consumers accurate information for better choice. MATERIALS AND METHODS: Moisture, ash, protein, fiber and fat contents were determined according to Association of Official Analytical Chemists and American Association of Cereal Chemists methods...
2017: Pakistan Journal of Biological Sciences: PJBS
https://www.readbyqxmd.com/read/29023015/evaluation-of-growth-performances-of-some-locally-farmed-maize-zea-mays-l-in-cross-river-state-nigeria-under-different-concentrations-of-silicon
#9
M O Ononyume, E A Edu, T Okoh, A P Inegbedion
OBJECTIVE: Growth performances of four maize varieties (91 SUWANI, TZL COMP 4, DT STR Y SYN 2 and IWO SYN C2) were investigated at four levels of silicon concentration (0, 2500, 5000 and 7500 mg, with 0 mg as control). METHODOLOGY: Viable seeds were planted in polythene bags (64 bags) containing soil in a randomized complete block design (a 4×4 factorial experiment) with four replications. Plant height, stem girth, leaf area and leaf number were evaluated at 4, 6, 8 and 10 weeks after planting...
2017: Pakistan Journal of Biological Sciences: PJBS
https://www.readbyqxmd.com/read/29023004/selection-of-drought-tolerant-maize-hybrids-using-path-coefficient-analysis-and-selection-index
#10
Abdalla Dao, Jacob Sanou, Edgar V S Traore, Vernon Gracen, Eric Y Danquah
BACKGROUND: In drought-prone environments, direct selection for yield is not adequate because of the variable environment and genotype x environment interaction. Therefore, the use of secondary traits in addition to yield has been suggested. The relative usefulness of secondary traits as indirect selection criteria for maize grain yield is determined by the magnitudes of their genetic variance, heritability and genetic correlation with the grain yield. MATERIALS AND METHODS: Forty eight testcross hybrids derived from lines with different genetic background and geographical origins plus 7 checks were evaluated in both well-watered and water-stressed conditions over two years for grain yield and secondary traits to determine the most appropriate secondary traits and select drought tolerant hybrids...
2017: Pakistan Journal of Biological Sciences: PJBS
https://www.readbyqxmd.com/read/29021581/molecular-identification-of-the-wheat-male-fertility-gene-ms1-and-its-prospects-for-hybrid-breeding
#11
Elise J Tucker, Ute Baumann, Allan Kouidri, Radoslaw Suchecki, Mathieu Baes, Melissa Garcia, Takashi Okada, Chongmei Dong, Yongzhong Wu, Ajay Sandhu, Manjit Singh, Peter Langridge, Petra Wolters, Marc C Albertsen, A Mark Cigan, Ryan Whitford
The current rate of yield gain in crops is insufficient to meet the predicted demands. Capturing the yield boost from heterosis is one of the few technologies that offers rapid gain. Hybrids are widely used for cereals, maize and rice, but it has been a challenge to develop a viable hybrid system for bread wheat due to the wheat genome complexity, which is both large and hexaploid. Wheat is our most widely grown crop providing 20% of the calories for humans. Here, we describe the identification of Ms1, a gene proposed for use in large-scale, low-cost production of male-sterile (ms) female lines necessary for hybrid wheat seed production...
October 11, 2017: Nature Communications
https://www.readbyqxmd.com/read/29021224/a-violaxanthin-de-epoxidase-interacts-with-a-viral-suppressor-of-rna-silencing-to-inhibit-virus-amplification
#12
Ling Chen, Zhaoling Yan, Zihao Xia, Yuqin Cheng, Zhiyuan Jiao, Biao Sun, Tao Zhou, Zaifeng Fan
RNA silencing plays a critical role against viral infection. To counteract this antiviral silencing, viruses have evolved various RNA silencing suppressors. Meanwhile, plants have evolved counter-counter defense strategies against RNA silencing suppression (RSS). In this study, the violaxanthin de-epoxidase protein of maize (Zea mays L.) (ZmVDE) was shown to interact specifically with the helper component-proteinase (HC-Pro, a viral RNA silencing suppressor) of Sugarcane mosaic virus (SCMV) via its mature protein region by yeast two-hybrid assay, which was confirmed by co-immunoprecipitation in Nicotiana benthamiana cells...
October 11, 2017: Plant Physiology
https://www.readbyqxmd.com/read/29020573/new-species-of-talaromyces-isolated-from-maize-indoor-air-and-other-substrates
#13
Stephen W Peterson, Željko Jurjević
Talaromyces strains isolated from maize seeds and the built environment were examined taxonomically because they could not be identified as previously described species. Using phenotypic analysis, DNA sequencing, and phylogenetic and concordance analyses, the authors discovered and described 10 new species in sect. Islandici and 1 new species in sect. Subinflati. Taxonomic novelties in sect. Islandici are Talaromyces delawarensis, T. herodensis, T. juglandicola, T. kilbournensis, T. novojersensis, T. ricevillensis, T...
September 18, 2017: Mycologia
https://www.readbyqxmd.com/read/29020080/correction-translocation-of-the-neonicotinoid-seed-treatment-clothianidin-in-maize
#14
Adam Alford, Christian H Krupke
[This corrects the article DOI: 10.1371/journal.pone.0173836.].
2017: PloS One
https://www.readbyqxmd.com/read/29018432/maize-inoculation-with-azospirillum-brasilense-ab-v5-cells-enriched-with-exopolysaccharides-and-polyhydroxybutyrate-results-in-high-productivity-under-low-n-fertilizer-input
#15
André L M Oliveira, Odair J A P Santos, Paulo R F Marcelino, Karina M L Milani, Mónica Y A Zuluaga, Claudemir Zucareli, Leandro S A Gonçalves
Although Azospirillum strains used in commercial inoculant formulations presents diazotrophic activity, it has been reported that their ability to produce phytohormones plays a pivotal role in plant growth-promotion, leading to a general recommendation of its use in association with regular N-fertilizer doses. In addition, a high variability in the effectiveness of Azospirillum inoculants is still reported under field conditions, contributing to the adoption of the inoculation technology as an additional management practice rather than its use as an alternative practice to the use of chemical inputs in agriculture...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29018313/characterization-of-bacillus-amyloliquefaciens-da12-showing-potent-antifungal-activity-against-mycotoxigenic-fusarium-species
#16
Theresa Lee, Dami Park, Kihyun Kim, Seong Mi Lim, Nan Hee Yu, Sosoo Kim, Hwang-Yong Kim, Kyu Seok Jung, Ja Yeong Jang, Jong-Chul Park, Hyeonheui Ham, Soohyung Lee, Sung Kee Hong, Jin-Cheol Kim
In an attempt to develop a biological control agent against mycotoxigenic Fusarium species, we isolated Bacillus amyloliquefaciens strain DA12 from soil and explored its antimicrobial activities. DA12 was active against the growth of mycotoxigenic F. asiaticum, F. graminearum, F. proliferatum, and F. verticillioides both in vitro and in planta (maize). Further screening using dual culture extended the activity range of strain DA12 against other fungal pathogens including Botrytis cinerea, Colletotrichum coccodes, Endothia parasitica, Fusarium oxysporum, Raffaelea quercus-mongolicae, and Rhizoctonia solani...
October 2017: Plant Pathology Journal
https://www.readbyqxmd.com/read/29016935/co-ordinated-changes-in-the-accumulation-of-metal-ions-in-maize-zea-mays-ssp-mays-l-in-response-to-inoculation-with-the-arbuscular-mycorrhizal-fungus-funneliformis-mosseae
#17
M Rosario Ramírez-Flores, Rubén Rellán-Álvarez, Barbara Wozniak, Mesfin-Nigussie Gebreselassie, Iver Jakobsen, Víctor Olalde-Portugal, Ivan Baxter, Uta Paszkowski, Ruairidh J H Sawers
Arbuscular mycorrhizal symbiosis is an ancient interaction between plants and fungi of the phylum Glomeromycota. In exchange for photosynthetically fixed carbon, the fungus provides the plant host with greater access to soil nutrients via an extensive network of root-external hyphae. Here, to determine the impact of the symbiosis on the host ionome, the concentration of 19 elements was determined in the roots and leaves of a panel of 30 maize varieties, grown under phosphorus-limiting conditions, with or without inoculation with the fungus Funneliformis mosseae...
August 2, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/29016928/integrating-plant-science-and-crop-modelling-assessment-of-the-impact-of-climate-change-on-soybean-and-maize-production
#18
Nándor Fodor, Andrew Challinor, Ioannis Droutsas, Julian Ramirez-Villegas, Florian Zabel, Ann-Kristin Koehler, Christine H Foyer
Increasing global CO2 emissions have profound consequences for plant biology, not least because of direct influences on carbon gain. However, much remains uncertain regarding how our major crops will respond to a future high CO2 world. Crop models inter-comparison studies have identified large uncertainties and biases associated with climate change. The need to quantify uncertainty has drawn the fields of plant molecular physiology, crop breeding and biology, and climate change modelling closer together. Comparing data from different models that have been used to assess the potential climate change impacts on soybean and maize production, future yield losses have been predicted for both major crops...
September 15, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/29016897/genome-wide-analysis-and-expression-profile-of-the-myb-genes-in-brachypodium-distachyon
#19
Shoukun Chen, Xin Niu, Yuxiang Guan, Haifeng Li
MYB transcription factors are widespread in plants and play key roles in plant development. Although MYB transcription factors have been thoroughly characterized in many plants, genome-wide analysis of the MYB gene family has not yet been undertaken in Brachypodium distachyon. In this study, 122 BdMYB transcription factors were identified, including 85 MYB-R2R3, 34 MYB-related and 3 MYB-R1R2R3. Phylogenetic analysis showed that BdMYBs, OsMYBs, and AtMYBs with similar functions were clustered in the same sub-group, and the phylogenetic relationships of BdMYB transcription factors were supported by highly conserved motifs and gene structures...
August 29, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/28994880/abstract-of-the-35th-national-congress-of-medecine-2016
#20
O Abassi, H Abaza, I Abdelaali, C Abdelhedi, H Abdelhedi, L Abdelmoula, A Abdennour, A Abid, H Abouda, M Abouda, F Abroug, A Adhieb, O Adouni, A Aissa, F Aissaoui, M Ajroudi, Z Alia, E Allouche, S Amari, B N E Amdouni, F Amdouni, Y Ammar, H Amri, R Amri, C Amrouch, H Aounallah Skhiri, M Assidi, Y Atef, S Atri, L Attia, A Ayachi, A Ayadi, M Ayadi, I Ayadi Dahmane, F Ayari, Y Ayari, H Ayed, S Azzabi, H Baccar, N Bacha, A Bachali, I Badri, A Bahlous, S Bahri, A Bahrini, E Bahrini, H Baili, M A Bakir, R Baklouti, M Bani, L Bazdeh, N Bchir, D Bejar, M Beji, J Belagha, R Belaid, N Belgacem, N BelHadj, H Belhadj Hassen, S Bellakhal, K Bellil, S Ben Abdallah, F Ben Abdallah, N Ben Abdallah, T Ben Abdallah, B Ben Achour, T Ben Achour, W Ben Achour, I Ben Ahmed, H Ben Ahmed, N Ben Aissia, H Ben Alaya, N Ben Alaya, A Ben Ammar, H Ben Ammar, B Ben Ammou, A Ben Amor, N Ben Amor, S Ben Amor, M Ben Bader, S Ben Becher, E Ben Brahim, I Ben Brahim, D Ben Braiek, A Ben ChaaBen, N Smari, N Ben Charrada, M Ben Cheick, M Ben Cheikh, F Ben Dahmen, D Ben Ghachem, H Ben Ghezala, E Ben Hamida, J Ben Hamida, S Ben Hamouda, L Ben Hassine, R Ben Hmid, W Ben Hmida, H Ben Jeddi, H Ben Jemaa, A Ben Jemaa, E Ben Jmia, B Ben Kaab, S Ben Khalifa, M Ben Kilani, A Ben Maamar, N Ben Meftah, R Ben Maiz, F Ben Mami, A Ben Mansour, N Ben Mansour, R Ben Mohamed, F Ben Moussa, N Ben Mustapha, K Ben Neticha, R Ben Othman, N Ben Rais, J Ben Rejab, H Ben Romdhane, Z Ben Safta, A Ben Safta, H Ben Said, C Ben Salah, F Z Ben Salah, N Ben Salah, C Ben Salem, L Ben Salem, S Ben Slama, M R Ben Slama, A Ben Tanfous, R Ben Temime, L Ben Yaghlane, A Ben Yakhlef, S Ben Yedder, W Ben Youssef, F Ben Zineb, M Ben Khelifa, Y Benzarti, O Berriche, S Berriri, L Besbes Ouanes, J Bettaieb, I Bettaieb, S Bhouri, N Bibani, Z BlEl, M Bouafif, D Bouaicha, I Bouasker, J Boubaker, R Bouchahda, S Bougatef, W Boughanmi, B Bouguerra, A Bouhafa, M H Bouhaoula, N Boujelbene, I Boukhris, M Bouksila, S Boukthir, L Boulares, S Boumefteh, S Bouomrani, R Bourguiba, M Bousselmi, O Bouyahya, H Bouzaine, A Bouzouita, D Brahim, I Chaari, M S Chahloul, A Chakroun, M Chakroun, A Chammakhi, B Channoufi, N Chaouech, M Charfi, M R Charfi, F Chebbi, I Chebbi, M Chebbi, M Chebil, M Cheikh, S Chelbi, Z Chelly, I Chelly, A Chemima, M Chemkhi, E Cherif, H Cherif, I Cherif, J Cherif, M Cherif, A Chetoui, W Daaloul, F Dachraoui, K Dachraoui, A Daghfous, J Daghfous, I Dakhli, N Dali, R Debbeche, A Debbiche, Z Dekli, F DerbEl, S Derouich, A Derouiche, H Dhafer, S Dhambri, A Dhaoui, A Dhouaibia, K Dimassi, M W Dougaz, M H Douggui, H Douik, C Dziri, S Dziri, O El Amine, D El Euch, F El Feki, L El Fekih, Z El Hechmi, K El Jeri, E Elfaleh, Z Elhechmi, H ElKateb, H Elloumi, R Ennaifer, L Essaddam, M A Essid, E L Fathallah, N Fathallah, F Feki, M Fekih, E Fennira, S Fennira, M Ferjani, A Filali, Z Fitouri, N Foudhaili, K Fourati, H Fradj, S Fredj, R Fsili, F Fteriche, A Gammoudi, O Gammoudi, S Gara, W Garbouj, D Gargouri, W Gattoufi, E Germazi, A Gharbi, E Gharbi, O Gharbi, R Gharbi, W Ghariani, H Ghedira, S GhezaiEl, S Ghozzi, I Ghribi, M Gorgi, A Goucha, E L Gouta, S Gritli, N E Guediche, F Guemira, E Guermazi, W Guezzah, A Hachicha, D Haddad, S Hadj Amor, Z Hajjej, G Hamdi, M Hammami, Z Hammouda, S Hannachi, E Haouat, S Haouet, A Hariz, S Harrabi, T Harrabi, H Harran, L Harzallah, A Hasnaoui, H Hassine, M Hechiche, H Henchiri, W Hmaied, H Houes, F Houissa, K Hraiech, A Hssine, H Ichaoui, A Issa, O Jaidane, I Jallouli, H Jamoussi, H Jarreya, R Jazi, A Jellouli, C Jemad, I Jemni, F Jendoubi, H Jerraya, M Jlaylia, Z Jnifene, M Jouini, R Jouini, A Kacem, M Kacem, B Kahla, S Kammoun, I Kammouna, M Karray, O Karray, N Kchir, S Kdous, I Kechaou, I Kedous, M Kehila, W Kerkeni, M Khalfallah, N Khalfallah, N Khamassi, K Khardani, J Kharrat, M Kharrat, G Kharroubib, M Khatib, A Khattab, S Khedher, N Khedhiri, S Khedhri, A Khelifa, E Khelifa, A Khelil, K Khiari, R Khiari, A Khlifi, I Khouaja, H Khouani, M O Kilani, C Kooli, B Korbsi, S Kraiem, R Ksantini, I Ksira, H Kwas, B Laamouri, I Labbene, A Labidi, N Ladhari, R Lafram, A A Lahmar, H Lajmi, A Lanani, S Larif, A Larnaout, F Lassoued, K Lassoued, N Lassoued, M Leboyer, H Letaief, B Louzir, M M'rad, H Maghrebi, F Mahjoub, S Mahjoub, I Mahmoud, A Makni, M Malek, M Manaa, A Mardassi, A Marghli, C Marouene, Z Marrakchi, S Marzougui, A Masmoudi, N Mathlouthi, N Matoussi, S Mazigh, M Mbarki, N Mechergui, Z Meddeb, B Mefteh, N Mehiri, I Mejri, M Mekki, A Melki, B Melki, M Mersni
No abstract text is available yet for this article.
November 2016: La Tunisie Médicale
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