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https://www.readbyqxmd.com/read/28719016/insecticide-resistance-of-adults-and-nymphs-of-asian-citrus-psyllid-populations-from-apatzing%C3%A3-n-valley-mexico
#1
Saúl Pardo, Ana M Martínez, José I Figueroa, Juan M Chavarrieta, Elisa Viñuela, Ángel Rebollar-Alviter, Mario A Miranda, Javier Valle, Samuel Pineda
BACKGROUND: Control of the Asian citrus psyllid Diaphorina citri Kuwayama, the most important pest of citrus worldwide, is based on the use of insecticides, though unsatisfactory results have recently been reported. In this study, insecticide resistance of D. citri to three insecticides (bifenthrin, malathion, and chlorpyrifos) was examined. RESULTS: Three populations (designed Dci-CParácuaro, Dci-El Junco, and Dci-Antúnez) of both adults and fourth-instar D. citri individuals were collected in 2014 at two and one different times, respectively, from three locations (Crucero de Parácuaro, El Junco, and Antúnez)...
July 18, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28718883/gelation-kinetics-and-characterization-of-enzymatically-enhanced-fish-scales-gelatin-pectin-coacervate
#2
Tao Huang, Zong-Cai Tu, Xinchen Shangguan, Hui Wang, Hainan-Zhang, Lu Zhang, Xiaomei Sha
BACKGROUND: Protein - polysaccharide complex coacervations have been considered extensively for the development of functional foods. The main problem of the complex coacervates is high unstable under different conditions and that cross-linking is necessary to stabilize them. In this study, the effects of pectin at different concentrations on the gel and structural properties of fish scales gelatin (FSG) - high methoxyl citrus pectin (HMP) coacervate enhanced by microbial-transglutanminase (MTGase) were studied...
July 18, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28718722/anticarcinogenic-effects-of-dried-citrus-peel-in-colon-carcinogenesis-due-to-inhibition-of-oxidative-stress
#3
Wakana Onuma, Daichi Asai, Susumu Tomono, Shingo Miyamoto, Gen Fujii, Takahiro Hamoya, Aya Nagano, Satoru Takahashi, Shoji Masumori, Noriyuki Miyoshi, Keiji Wakabayashi, Michihiro Mutoh
Colorectal cancer is one of the leading causes of death worldwide. Reactive oxygen species produce oxidative stress and contribute to colorectal carcinogenesis. Because dietary citrus has been shown to reduce oxidative stress, we investigated the effects of citrus peel extract at dilutions of 1/200-1/500 on the activity of oxidative-stress-related transcription factors, including AP-1, NF-κB, NRF2, p53, and STAT3, in human colon cancer cell line HCT116 cells using a luciferase reporter gene assay. NRF2 transcriptional activities were 1...
July 18, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28717202/%C3%AE-caryophyllene-emitted-from-a-transgenic-arabidopsis-or-chemical-dispenser-repels-diaphorina-citri-vector-of-candidatus-liberibacters
#4
Berta Alquézar, Haroldo Xavier Linhares Volpe, Rodrigo Facchini Magnani, Marcelo Pedreira de Miranda, Mateus Almeida Santos, Nelson Arno Wulff, Jose Mauricio Simões Bento, José Roberto Postali Parra, Harro Bouwmeester, Leandro Peña
Production of citrus, the main fruit tree crop worldwide, is severely threatened by Huanglongbing (HLB), for which as yet a cure is not available. Spread of this bacterial disease in America and Asia is intimately connected with dispersal and feeding of the insect vector Diaphorina citri, oligophagous on rutaceous host plants. Effective control of this psyllid is an important component in successful HLB management programs. Volatiles released from the non-host guava have been shown to be repellent to the psyllid and to inhibit its response to citrus odour...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28715216/long-term-effect-of-a-leonardite-iron-humate-improving-fe-nutrition-as-revealed-in-silico-in-vivo-and-in-field-experiments
#5
Maria Teresa Cieschi, Marcos Caballero-Molada, Nieves Menéndez, Miguel Ángel Naranjo, Juan J Lucena
Novel, cheap and ecofriendly fertilizers that solve the usual iron deficiency problem in calcareous soil are needed. The aim of this work is to study the long term effect of an iron leonardite fertilizer on citrus nutrition taking into account a properly characterization, kinetic response with a ligand competition experiment, efficiency assessment using Saccharomyces cerevisiae strain and finally, in field conditions with citrus as test plants. Its efficiency was compared with the synthetic iron chelate FeEDDHA...
July 17, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28713272/anticancer-potential-of-citrus-juices-and-their-extracts-a-systematic-review-of-both-preclinical-and-clinical-studies
#6
REVIEW
Santa Cirmi, Alessandro Maugeri, Nadia Ferlazzo, Sebastiano Gangemi, Gioacchino Calapai, Udo Schumacher, Michele Navarra
Background: During the last decades, a huge body of evidence has been accumulated suggesting that Citrus fruits and their juices might have a role in preventing many diseases including cancer. Objective: To summarize the numerous evidences on the potential of Citrus juices and their extracts as anticancer agents. Data sources: A systematic review of articles written in English using MEDLINE (1946-present), EMBASE (1974-present) and Web of Sciences (1970-present) was performed independently by two reviewers...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28712501/gene-editing-in-polyploid-crops-wheat-camelina-canola-potato-cotton-peanut-sugar-cane-and-citrus
#7
Donald P Weeks
Polyploid crops make up a significant portion of the major food and fiber crops of the world and include wheat, potato, cotton, apple, peanut, citrus, and brassica oilseeds such as rape, canola, and Camelina. The presence of three sets of chromosomes in triploids, four sets in tetraploids, and six sets in hexaploids present significant challenges to conventional plant breeding and, potentially, to efficient use of rapidly emerging gene and genome-editing systems such as zinc finger nucleases, single-stranded oligonucleotides, TALE effector nucleases, and clustered regularly interspaced short palindromic repeats (CRISPR/Cas9)...
2017: Progress in Molecular Biology and Translational Science
https://www.readbyqxmd.com/read/28712318/phylogenetic-studies-and-comparative-chloroplast-genome-analyses-elucidate-the-basal-position-of-halophyte-nitraria-sibirica-nitrariaceae-in-the-sapindales
#8
Lu Lu, Xia Li, Zhaodong Hao, Liming Yang, Jingbo Zhang, Ye Peng, Haibin Xu, Ye Lu, Jin Zhang, Jisen Shi, Jinhui Chen, Tielong Cheng
Nitraria sibirica is a halophyte and belongs to the family Nitrariaceae. The chloroplast genome of Nitraria sibirica (159,466 bp) has a quadripartite structure, which consists of a large single-copy (87,914 bp) region, a small single-copy (18,316 bp) region, and a pair of inverted repeats (26,618 bp). Sequencing analyses indicate that the chloroplast genome contains 113 distinct genes, including 79 peptide-coding genes, 30 transfer RNA genes, and 4 ribosomal RNA genes. We also identified 105 perfect simple sequence repeats, 12 most divergent non-coding regions, and 6 most divergent coding regions when compared to the chloroplast genomes of the Sapindales plants...
July 15, 2017: Mitochondrial DNA. Part A. DNA Mapping, Sequencing, and Analysis
https://www.readbyqxmd.com/read/28705973/complete-genome-sequences-of-three-xanthomonas-citri-strains-from-texas
#9
Alejandra Munoz Bodnar, Gem Santillana, Vessela Mavrodieva, Zhaowei Liu, Mark Nakhla, Dean W Gabriel
The complete genome sequences of three Xanthomonas citri strains isolated from lime trees in Texas were found to belong to the A(w) group. All carried nearly identical large plasmids with similarity to those of a citrus canker strain from India and to xanthomonads from Africa and Colombia. All three strains harbored unusual pthA homologs.
July 13, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28704500/transcriptomic-and-metabolomic-profiles-of-chinese-citrus-fly-bactrocera-minax-diptera-tephritidae-along-with-pupal-development-provide-insight-into-diapause-program
#10
Jia Wang, Huan Fan, Ke-Cai Xiong, Ying-Hong Liu
The Chinese citrus fly, Bactrocera minax (Enderlein), is a devastating citrus pest in Asia. This univoltine insect enters obligatory pupal diapause in each generation, while little is known about the course and the molecular mechanisms of diapause. In this study, the course of diapause was determined by measuring the respiratory rate throughout the pupal stage. In addition, the variation of transcriptomic and metabolomic profiles of pupae at five developmental stages (pre-, early-, middle-, late-, and post-diapause) were evaluated by next-generation sequencing technology and 1H nuclear magnetic resonance spectroscopy (NMR), respectively...
2017: PloS One
https://www.readbyqxmd.com/read/28702937/genetic-engineering-strategies-for-biotic-and-abiotic-stress-tolerance-and-quality-enhancement-in-horticultural-crops-a-comprehensive-review
#11
REVIEW
Nehanjali Parmar, Kunwar Harendra Singh, Deepika Sharma, Lal Singh, Pankaj Kumar, J Nanjundan, Yasin Jeshima Khan, Devendra Kumar Chauhan, Ajay Kumar Thakur
Genetic engineering technique offers myriads of applications in improvement of horticultural crops for biotic and abiotic stress tolerance, and produce quality enhancement. During last two decades, a large number of transgenic horticultural crops has been developed and more are underway. A number of genes including natural and synthetic Cry genes, protease inhibitors, trypsin inhibitors and cystatin genes have been used to incorporate insect and nematode resistance. For providing protection against fungal and bacterial diseases, various genes like chitinase, glucanase, osmotin, defensin and pathogenesis-related genes are being transferred to many horticultural crops world over...
August 2017: 3 Biotech
https://www.readbyqxmd.com/read/28700997/nobiletin-a-polymethoxy-flavonoid-protects-against-cardiac-hypertrophy-induced-by-pressure-overload-via-inhibition-of-napdh-oxidases-and-endoplasmic-reticulum-stress
#12
Ning Zhang, Wen-Ying Wei, Zheng Yang, Yan Che, Ya-Ge Jin, Hai-Han Liao, Sha-Sha Wang, Wei Deng, Qi-Zhu Tang
BACKGROUND/AIMS: An increase in oxidative stress has been implicated in the pathophysiology of pressure-overload induced cardiac hypertrophy. Nobiletin (NOB), extracted from the fruit peel of citrus, possesses anti-oxidative property. Our study aimed to investigate the protective role of NOB in the progression of cardiac hypertrophy in vivo and in vitro. METHODS: Mice received aortic banding (AB) operation to induce cardiac hypertrophy. Experimental groups were as follows: sham+vehicle (VEH/SH), sham+NOB (NOB/SH), AB+vehicle (VEH/AB), and AB+ NOB (NOB/AB)...
July 13, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28699128/structures-of-antimutagenic-constituents-in-the-peels-of-citrus-limon
#13
Takahiro Matsumoto, Kazuki Takahashi, Sumire Kanayama, Yuka Nakano, Hiromi Imai, Masumi Kibi, Daisuke Imahori, Tomohiro Hasei, Tetsushi Watanabe
The methanolic extracts from the peels of Citrus limon were found to show antimutagenic effects against 3-amino-1,4-dimethyl-5H-pyrido[4,3-b]indole, and 2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine (PhIP) in the Ames test. From the methanolic extracts, four new coumarins (wakayamalimonol A-D) and a new furanocoumarin (wakayamalimonol E) were isolated together with fifteen known compounds. The absolute stereostructures of the new compounds were determined by chemical synthesis and the modified Mosher's method...
July 11, 2017: Journal of Natural Medicines
https://www.readbyqxmd.com/read/28698459/dietary-natural-products-for-prevention-and-treatment-of-breast-cancer
#14
REVIEW
Ya Li, Sha Li, Xiao Meng, Ren-You Gan, Jiao-Jiao Zhang, Hua-Bin Li
Breast cancer is the most common cancer among females worldwide. Several epidemiological studies suggested the inverse correlation between the intake of vegetables and fruits and the incidence of breast cancer. Substantial experimental studies indicated that many dietary natural products could affect the development and progression of breast cancer, such as soy, pomegranate, mangosteen, citrus fruits, apple, grape, mango, cruciferous vegetables, ginger, garlic, black cumin, edible macro-fungi, and cereals. Their anti-breast cancer effects involve various mechanisms of action, such as downregulating ER-α expression and activity, inhibiting proliferation, migration, metastasis and angiogenesis of breast tumor cells, inducing apoptosis and cell cycle arrest, and sensitizing breast tumor cells to radiotherapy and chemotherapy...
July 8, 2017: Nutrients
https://www.readbyqxmd.com/read/28694818/insights-into-the-molecular-events-that-regulate-heat-induced-chilling-tolerance-in-citrus-fruits
#15
María T Lafuente, Beatriz Establés-Ortíz, Luis González-Candelas
Low non-freezing temperature may cause chilling injury (CI), which is responsible for external quality deterioration in many chilling-sensitive horticultural crops. Exposure of chilling-sensitive citrus cultivars to non-lethal high-temperature conditioning may increase their chilling tolerance. Very little information is available about the molecular events involved in such tolerance. In this work, the molecular events associated with the low temperature tolerance induced by heating Fortune mandarin, which is very sensitive to chilling, for 3 days at 37°C prior to cold storage is presented...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28694816/physiological-and-transcriptional-changes-of-three-citrus-rootstock-seedlings-under-iron-deficiency
#16
Lina Fu, Qingqing Zhu, Yinya Sun, Wei Du, Zhiyong Pan, Shu'ang Peng
Iron is an essential micronutrient for plants, and plants have evolved adaptive mechanisms to improve iron acquisition from soils. Grafting on iron deficiency-tolerant rootstock is an effective strategy to prevent iron deficiency-chlorosis in fruit-tree crops. To determine the mechanisms underlying iron uptake in iron deficiency, two iron deficiency-tolerant citrus rootstocks, Zhique (ZQ) and Xiangcheng (XC), as well as iron deficiency-sensitive rootstock trifoliate orange (TO) seedlings were studied. Plants were grown in hydroponics system for 100 days, having 50 μM iron (control) and 0 μM iron (iron deficiency) nutrient solution...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28693496/interaction-of-%C3%AE-fe2o3-nanoparticles-with-citrus-maxima-leaves-and-the-corresponding-physiological-effects-via-foliar-application
#17
Jing Hu, Huiyuan Guo, Junli Li, Yunqiang Wang, Lian Xiao, Baoshan Xing
BACKGROUND: Nutrient-containing nanomaterials have been developed as fertilizers to foster plant growth and agricultural yield through root applications. However, if applied through leaves, how these nanomaterials, e.g. γ-Fe2O3 nanoparticles (NPs), influence the plant growth and health are largely unknown. This study is aimed to assess the effects of foliar-applied γ-Fe2O3 NPs and their ionic counterparts on plant physiology of Citrus maxima and the associated mechanisms. RESULTS: No significant changes of chlorophyll content and root activity were observed upon the exposure of 20-100 mg/L γ-Fe2O3 NPs and Fe(3+)...
July 11, 2017: Journal of Nanobiotechnology
https://www.readbyqxmd.com/read/28693412/proteomics-based-identification-of-differentially-abundant-proteins-reveals-adaptation-mechanisms-of-xanthomonas-citri-subsp-citri-during-citrus-sinensis-infection
#18
Leandro M Moreira, Márcia R Soares, Agda P Facincani, Cristiano B Ferreira, Rafael M Ferreira, Maria I T Ferro, Fábio C Gozzo, Érica B Felestrino, Renata A B Assis, Camila Carrião M Garcia, João C Setubal, Jesus A Ferro, Julio C F de Oliveira
BACKGROUND: Xanthomonas citri subsp. citri (Xac) is the causal agent of citrus canker. A proteomic analysis under in planta infectious and non-infectious conditions was conducted in order to increase our knowledge about the adaptive process of Xac during infection. RESULTS: For that, a 2D-based proteomic analysis of Xac at 1, 3 and 5 days after inoculation, in comparison to Xac growth in NB media was carried out and followed by MALDI-TOF-TOF identification of 124 unique differentially abundant proteins...
July 11, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28691151/integrated-and-global-pseudotargeted-metabolomics-strategy-applied-to-screening-for-quality-control-markers-of-citrus-tcms
#19
Yisong Shu, Zhenli Liu, Siyu Zhao, Zhiqian Song, Dan He, Menglei Wang, Honglian Zeng, Cheng Lu, Aiping Lu, Yuanyan Liu
Traditional Chinese medicine (TCM) exerts its therapeutic effect in a holistic fashion with the synergistic function of multiple characteristic constituents. The holism philosophy of TCM is coincident with global and systematic theories of metabolomics. The proposed pseudotargeted metabolomics methodologies were employed for the establishment of reliable quality control markers for use in the screening strategy of TCMs. Pseudotargeted metabolomics integrates the advantages of both targeted and untargeted methods...
July 10, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28690813/bacterial-phytopathogen-infection-disrupts-belowground-plant-indirect-defense-mediated-by-tritrophic-cascade
#20
Monique J Rivera, Kirsten S Pelz-Stelinski, Xavier Martini, Lukasz L Stelinski
Plants can defend themselves against herbivores through activation of defensive pathways and attraction of third-trophic-level predators and parasites. Trophic cascades that mediate interactions in the phytobiome are part of a larger dynamic including the pathogens of the plant itself, which are known to greatly influence plant defenses. As such, we investigated the impact of a phloem-limited bacterial pathogen, Candidatus Liberibacter asiaticus (CLas), in cultivated citrus rootstock on a well-studied belowground tritrophic interaction involving the attraction of an entomopathogenic nematode (EPN), Steinernema diaprepesi, to their root-feeding insect hosts, Diaprepes abbreviatus larvae...
July 2017: Ecology and Evolution
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