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https://www.readbyqxmd.com/read/28314937/phylogenetic-analysis-of-idd-gene-family-and-characterization-of-its-expression-in-response-to-flower-induction-in-malus
#1
Sheng Fan, Dong Zhang, Libo Xing, Siyan Qi, Lisha Du, Haiqin Wu, Hongxia Shao, Youmei Li, Juanjuan Ma, Mingyu Han
Although INDETERMINATE DOMAIN (IDD) genes encoding specific plant transcription factors have important roles in plant growth and development, little is known about apple IDD (MdIDD) genes and their potential functions in the flower induction. In this study, we identified 20 putative IDD genes in apple and named them according to their chromosomal locations. All identified MdIDD genes shared a conserved IDD domain. A phylogenetic analysis separated MdIDDs and other plant IDD genes into four groups. Bioinformatic analysis of chemical characteristics, gene structure, and prediction of protein-protein interactions demonstrated the functional and structural diversity of MdIDD genes...
March 17, 2017: Molecular Genetics and Genomics: MGG
https://www.readbyqxmd.com/read/28296591/hypolipidemic-and-antioxidant-effects-of-malus-toringoides-rehd-hughes-leaves-in-high-fat-diet-induced-hyperlipidemic-rats
#2
Shan Huang, Haifeng Liu, Ning Meng, Bin Li, Jule Wang
Malus toringoides (Rehd.) Hughes (MT) leaves are traditionally used as a medicine for treating or preventing cardiovascular disease in Tibet. In addition to the effect of this medicinal plant on thrombosis, we tested its effect on dyslipidemia in a hypolipidemic rat model. A total of 60 healthy Sprague-Dawley rats were randomly divided into six groups, as follows: normal control, model control, simvastatin groups, and MT low-, medium-, and high-dose groups. The normal controls were fed with a normal diet, whereas all other groups were fed with a high-fat diet...
March 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28291597/diel-rhythms-in-the-volatile-emission-of-apple-and-grape-foliage
#3
Valentino Giacomuzzi, Luca Cappellin, Iuliia Khomenko, Franco Biasioli, Alan L Knight, Sergio Angeli
This study investigated the diel emission of volatile organic compounds (VOCs) from intact apple (Malus x domestica Borkh., cv. Golden Delicious) and grape (Vitis vinifera L., cv. Pinot Noir) foliage. Volatiles were monitored continuously for 48 h by proton transfer reaction - time of flight - mass spectrometry (PTR-ToF-MS). In addition, volatiles were collected by closed-loop-stripping-analysis (CLSA) and characterized by gas chromatography-mass spectrometry (GC-MS) after 1 h and again 24 and 48 h later...
March 11, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28290292/novel-edible-oil-sources-microwave-heating-and-chemical-properties
#4
Seyed Mohammad Bagher Hashemi, Amin Mousavi Khaneghah, Mohamed Koubaa, Jaime Lopez-Cervantes, Seyed Hossein Asadi Yousefabad, Seyedeh Fatemeh Hosseini, Masoumeh Karimi, Azam Motazedian, Samira Asadifard
The aim of this work was to investigate the effect of various microwave heating times (1, 3, 5, 10, and 15min) on the chemical properties of novel edible oil sources, including Mashhadi melon (Cucumis melo var. Iranians cv. Mashhadi), Iranian watermelon (Citrullus lanatus cv. Fire Fon), pumpkin (Cucurbita pepo subsp. pepo var. Styriaca), and yellow apple (Malus domestica cv. Golden Delicious) seed oils. The evaluated parameters were peroxide value (PV), conjugated diene (CD) and triene (CT) values, carbonyl value (CV), p-anisidine value (AnV), oil stability index (OSI), radical scavenging activity (RSA), total tocopherols, total phenolics, as well as chlorophyll and carotenoid contents...
February 2017: Food Research International
https://www.readbyqxmd.com/read/28286910/the-molecular-mechanism-underlying-anthocyanin-metabolism-in-apple-using-the-mdmyb16-and-mdbhlh33-genes
#5
Haifeng Xu, Nan Wang, Jingxuan Liu, Changzhi Qu, Yicheng Wang, Shenghui Jiang, Ninglin Lu, Deyun Wang, Zongying Zhang, Xuesen Chen
MdMYB16 forms homodimers and directly inhibits anthocyanin synthesis via its C-terminal EAR repressor. It weakened the inhibitory effect of MdMYB16 on anthocyanin synthesis when overexpressing MdbHLH33 in callus overexpressing MdMYB16. MdMYB16 could interact with MdbHLH33. Anthocyanins are strong antioxidants that play a key role in the prevention of cardiovascular disease, cancer, and diabetes. The germplasm of Malus sieversii f. neidzwetzkyana is important for the study of anthocyanin metabolism. To date, only limited studies have examined the negative regulatory mechanisms underlying anthocyanin synthesis in apple...
March 12, 2017: Plant Molecular Biology
https://www.readbyqxmd.com/read/28276115/a-novel-feedstuff-ensiling-of-cowpea-vigna-unguiculata-l-stover-and-apple-malus-domestica-borkh-mixtures-evaluation-of-the-nutritive-value-fermentation-quality-and-aerobic-stability
#6
Ederson Andrade, Alexandre Gonçalves, Ana Mendes-Ferreira, Valéria Silva, Victor Pinheiro, Miguel Rodrigues, Luis Ferreira
BACKGROUND: Agro-industrial by-products have low economical value as foods for human consumption however might represent a potential value as animal feedstuffs. This study evaluated a novel feedstuff, ensiled discarded apple (85%) and cowpea stover (15%) mixtures with two distinct ensiling periods (45 and 60 days) regarding the nutritive value, fermentation quality and aerobic stability. RESULTS: Generally, no differences (P > 0.05) were observed between ensiling periods for its nutritive value and fermentation characteristics...
March 8, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28267924/pathogen-induced-leaf-chlorosis-products-of-chlorophyll-breakdown-found-in-degreened-leaves-of-phytoplasma-infected-apple-malus-x-domestica-borkh-and-apricot-prunus-armeniaca-l-trees-relate-to-the-pheophorbide-a-oxygenase-phyllobilin-pathway
#7
Cecilia Mittelberger, Hacer Yalcinkaya, Christa Pichler, Johanna Gasser, Gerhard Scherzer, Theresia Erhart, Sandra Schumacher, Barbara Holzner, Katrin Janik, Peter Robatscher, Thomas Müller, Bernhard Kräutler, Michael Oberhuber
Phytoplasmoses such as Apple Proliferation (AP) and European Stone Fruit Yellows (ESFY) cause severe economic losses in fruit production. A common symptom of both phytoplasma diseases is the early yellowing or leaf chlorosis. Even though chlorosis is a well-studied symptom of biotic and abiotic stress, its biochemical pathways are hardly known. In particular, in this context, a potential role of the senescence-related pheophorbide a oxygenase/phyllobilin (PaO/PB) pathway is elusive, which degrades chlorophyll (Chl) to phyllobilins (PBs), most notably to colorless non-fluorescent Chl catabolites (NCCs)...
March 7, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28267786/g%C3%AE-proteins-gvm2-and-gvm3-regulate-vegetative-growth-asexual-development-and-pathogenicityon-apple-in-valsa-mali
#8
Na Song, Qingqing Dai, Baitao Zhu, Yuxing Wu, Ming Xu, Ralf Thomas Voegele, Xiaoning Gao, Zhensheng Kang, Lili Huang
In fungi, heterotrimeric guanine-nucleotide binding proteins (G-proteins) are key elements of signal transduction pathways, which control growth, asexual and sexual development, as well as virulence. In this study, we have identified two genes encoding heterotrimeric G protein alpha subunits, named Gvm2 and Gvm3, from Valsa mali, the causal agent of apple Valsa canker. Characterization of Gvm2 and Gvm3 mutants indicates that Gvm3 may be a crucial regulator of vegetative growth. Deletion of the corresponding gene results in a 20% reduction in growth rate...
2017: PloS One
https://www.readbyqxmd.com/read/28257442/genotyping-by-sequencing-markers-facilitate-the-identification-of-quantitative-trait-loci-controlling-resistance-to-penicillium-expansum-in-malus-sieversii
#9
John L Norelli, Michael Wisniewski, Gennaro Fazio, Erik Burchard, Benjamin Gutierrez, Elena Levin, Samir Droby
Blue mold caused by Penicillium expansum is the most important postharvest disease of apple worldwide and results in significant financial losses. There are no defined sources of resistance to blue mold in domesticated apple. However, resistance has been described in wild Malus sieversii accessions, including plant introduction (PI)613981. The objective of the present study was to identify the genetic loci controlling resistance to blue mold in this accession. We describe the first quantitative trait loci (QTL) reported in the Rosaceae tribe Maleae conditioning resistance to P...
2017: PloS One
https://www.readbyqxmd.com/read/28255171/mcmyb12-transcription-factors-co-regulate-proanthocyanidin-and-anthocyanin-biosynthesis-in-malus-crabapple
#10
Ji Tian, Jie Zhang, Zhen-Yun Han, Ting-Ting Song, Jin-Yan Li, Ya-Ru Wang, Yun-Cong Yao
The flavonoid compounds, proanthocyanidins (PAs), protect plants from biotic stresses, contribute to the taste of many fruits, and are beneficial to human health in the form of dietary antioxidants. In this study, we functionally characterized two Malus crabapple R2R3-MYB transcription factors, McMYB12a and McMYB12b, which co-regulate PAs and anthocyanin biosynthesis. McMYB12a was shown to be mainly responsible for upregulating the expression of anthocyanin biosynthetic genes by binding to their promoters, but to be only partially responsible for regulating PAs biosynthetic genes...
March 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28243452/elucidation-of-the-honeycrisp-pedigree-through-haplotype-analysis-with-a-multi-family-integrated-snp-linkage-map-and-a-large-apple-malus%C3%A3-domestica-pedigree-connected-snp-data-set
#11
Nicholas P Howard, Eric van de Weg, David S Bedford, Cameron P Peace, Stijn Vanderzande, Matthew D Clark, Soon Li Teh, Lichun Cai, James J Luby
The apple (Malus×domestica) cultivar Honeycrisp has become important economically and as a breeding parent. An earlier study with SSR markers indicated the original recorded pedigree of 'Honeycrisp' was incorrect and 'Keepsake' was identified as one putative parent, the other being unknown. The objective of this study was to verify 'Keepsake' as a parent and identify and genetically describe the unknown parent and its grandparents. A multi-family based dense and high-quality integrated SNP map was created using the apple 8 K Illumina Infinium SNP array...
2017: Horticulture Research
https://www.readbyqxmd.com/read/28231330/the-effects-of-exogenous-hormones-on-rooting-process-and-the-activities-of-key-enzymes-of-malus-hupehensis-stem-cuttings
#12
Wangxiang Zhang, Junjun Fan, Qianqian Tan, Mingming Zhao, Ting Zhou, Fuliang Cao
Malus hupehensis is an excellent Malus rootstock species, known for its strong adverse-resistance and apomixes. In the present study, stem cuttings of M. hupehensis were treated with three types of exogenous hormones, including indole acetic acid (IAA), naphthalene acetic acid (NAA), or green growth regulator (GGR). The effects and mechanisms of exogenous hormone treatment and antioxidant enzyme activity on adventitious root formation were investigated. The results showed that the apparent morphology of the adventitious root had four stages, including root pre-emergence stage (S0), early stage of root formation (S1), massive root formation stage (S2), and later stage of root formation (S3)...
2017: PloS One
https://www.readbyqxmd.com/read/28198417/chilling-affects-phytohormone-and-post-embryonic-development-pathways-during-bud-break-and-fruit-set-in-apple-malus-domestica-borkh
#13
Gulshan Kumar, Khushboo Gupta, Shivalika Pathania, Mohit Kumar Swarnkar, Usha Kumari Rattan, Gagandeep Singh, Ram Kumar Sharma, Anil Kumar Singh
The availability of sufficient chilling during bud dormancy plays an important role in the subsequent yield and quality of apple fruit, whereas, insufficient chilling availability negatively impacts the apple production. The transcriptome profiling during bud dormancy release and initial fruit set under low and high chill conditions was performed using RNA-seq. The comparative high number of differentially expressed genes during bud break and fruit set under high chill condition indicates that chilling availability was associated with transcriptional reorganization...
February 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28191817/polarisers-in-the-focal-domain-theoretical-model-and-experimental-validation
#14
Rosario Martínez-Herrero, David Maluenda, Ignasi Juvells, Artur Carnicer
Polarisers are one of the most widely used devices in optical set-ups. They are commonly used with paraxial beams that propagate in the normal direction of the polariser plane. Nevertheless, the conventional projection character of these devices may change when the beam impinges a polariser with a certain angle of incidence. This effect is more noticeable if polarisers are used in optical systems with a high numerical aperture, because multiple angles of incidence have to be taken into account. Moreover, the non-transverse character of highly focused beams makes the problem more complex and strictly speaking, the Malus' law does not apply...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28188424/fine-tuning-of-the-flavonoid-and-monolignol-pathways-during-apple-early-fruit-development
#15
Paolo Baldi, Mirko Moser, Matteo Brilli, Urska Vrhovsek, Massimo Pindo, Azeddine Si-Ammour
A coordinated regulation of different branches of the flavonoid pathway was highlighted that may contribute to elucidate the role of this important class of compounds during the early stages of apple fruit development. Apple (Malus × domestica Borkh.) is an economically important fruit appreciated for its organoleptic characteristics and its benefits for human health. The first stages after fruit set represent a very important and still poorly characterized developmental process. To enable the profiling of genes involved in apple early fruit development, we combined the suppression subtractive hybridization (SSH) protocol to next-generation sequencing...
February 11, 2017: Planta
https://www.readbyqxmd.com/read/28174579/overexpression-of-mpcys4-a-phytocystatin-gene-from-malus-prunifolia-willd-borkh-enhances-stomatal-closure-to-confer-drought-tolerance-in-transgenic-arabidopsis-and-apple
#16
Yanxiao Tan, Mingjun Li, Yingli Yang, Xun Sun, Na Wang, Bowen Liang, Fengwang Ma
Phytocystatins (PhyCys) comprise a group of inhibitors for cysteine proteinases in plants. They play a wide range of important roles in regulating endogenous processes and protecting plants against various environmental stresses, but the underlying mechanisms remain largely unknown. Here, we detailed the biological functions of MpCYS4, a member of cystatin genes isolated from Malus prunifolia. This gene was activated under water deficit, heat (40°C), exogenous abscisic acid (ABA), or methyl viologen (MV) (Tan et al...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28174429/identification-and-expression-analysis-of-the-apple-malus-%C3%A3-domestica-basic-helix-loop-helix-transcription-factor-family
#17
Jinhua Yang, Min Gao, Li Huang, Yaqiong Wang, Steve van Nocker, Ran Wan, Chunlei Guo, Xiping Wang, Hua Gao
Basic helix-loop-helix (bHLH) proteins, which are characterized by a conserved bHLH domain, comprise one of the largest families of transcription factors in both plants and animals, and have been shown to have a wide range of biological functions. However, there have been very few studies of bHLH proteins from perennial tree species. We describe here the identification and characterization of 175 bHLH transcription factors from apple (Malus × domestica). Phylogenetic analysis of apple bHLH (MdbHLH) genes and their Arabidopsis thaliana (Arabidopsis) orthologs indicated that they can be classified into 23 subgroups...
December 2017: Scientific Reports
https://www.readbyqxmd.com/read/28167273/mybs-affect-the-variation-in-the-ratio-of-anthocyanin-and-flavanol-in-fruit-peel-and-flesh-in-response-to-shade
#18
Yanfen Lu, Yufen Bu, Suxiao Hao, Yaru Wang, Jie Zhang, Ji Tian, Yuncong Yao
Fruit pigment accumulation, which represents an important indicator of nutrient quality and appearance value, is often affected by low light under rain, cloud, fog and haze conditions during the veraison period. It is not known whether continuous low light interferes with the production and accumulation of secondary metabolites in veraison fruit. In this paper, we measured pigments and the transcriptional level of genes related to secondary metabolites, i.e., flavonoid biosynthesis in the peel and flesh of Malus crabapple 'Radiant' fruit in response to normal light and shade from 10th July to 30th August...
January 31, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28167039/apple-autophagy-related-protein-mdatg3s-afford-tolerance-to-multiple-abiotic-stresses
#19
Ping Wang, Xun Sun, Xin Jia, Fengwang Ma
The efficient degradation system of autophagy in plant cells has important roles in removing and recycling intracellular components during normal development or under environmental stresses. Formation of autophagosomes requires the conjugation of ubiquitin-like protein ATG8 to phosphatidylethanolamine (PE). We isolated two ubiquitin-conjugating enzyme E2-like ATG3 homologues from Malus domestica - MdATG3a and MdATG3b - that are crucial for ATG8-PE conjugation. Both share a conserved N-terminal, as well as the catalytic and C-terminal domains of ATG3 with HPC and FLKF motifs...
March 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/28163714/transcriptomics-analysis-of-apple-leaves-in-response-to-alternaria-alternata-apple-pathotype-infection
#20
Longming Zhu, Weichen Ni, Shuai Liu, Binhua Cai, Han Xing, Sanhong Wang
Alternaria blotch disease of apple (Malus × domestica Borkh.), caused by the apple pathotype of Alternaria alternata, is one of the most serious fungal diseases to affect apples. To develop an understanding of how apples respond to A. alternata apple pathotype (AAAP) infection, we examined the host transcript accumulation over the period between 0 and 72 h post AAAP inoculation. Large-scale gene expression analysis was conducted of the compatible interaction between "Starking Delicious" apple cultivar and AAAP using RNA-Seq and digital gene expression (DGE) profiling methods...
2017: Frontiers in Plant Science
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