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Horticulture Research

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https://www.readbyqxmd.com/read/29138689/clarifying-sub-genomic-positions-of-qtls-for-flowering-habit-and-fruit-quality-in-u-s-strawberry-fragaria%C3%A3-ananassa-breeding-populations-using-pedigree-based-qtl-analysis
#1
Sujeet Verma, Jason D Zurn, Natalia Salinas, Megan M Mathey, Beatrice Denoyes, James F Hancock, Chad E Finn, Nahla V Bassil, Vance M Whitaker
The cultivated strawberry (Fragaria×ananassa) is consumed worldwide for its flavor and nutritional benefits. Genetic analysis of commercially important traits in strawberry are important for the development of breeding methods and tools for this species. Although several quantitative trait loci (QTL) have been previously detected for fruit quality and flowering traits using low-density genetic maps, clarity on the sub-genomic locations of these QTLs was missing. Recent discoveries in allo-octoploid strawberry genomics led to the development of the IStraw90 single-nucleotide polymorphism (SNP) array, enabling high-density genetic maps and finer resolution QTL analysis...
2017: Horticulture Research
https://www.readbyqxmd.com/read/29118994/interval-mapping-for-red-green-skin-color-in-asian-pears-using-a-modified-qtl-seq-method
#2
Huabai Xue, Ting Shi, Fangfang Wang, Huangkai Zhou, Jian Yang, Long Wang, Suke Wang, Yanli Su, Zhen Zhang, Yushan Qiao, Xiugen Li
Pears with red skin are attractive to consumers and provide additional health benefits. Identification of the gene(s) responsible for skin coloration can benefit cultivar selection and breeding. The use of QTL-seq, a bulked segregant analysis method, can be problematic when heterozygous parents are involved. The present study modified the QTL-seq method by introducing a |Δ(SNP-index)| parameter to improve the accuracy of mapping the red skin trait in a group of highly heterozygous Asian pears. The analyses were based on mixed DNA pools composed of 28 red-skinned and 27 green-skinned pear lines derived from a cross between the 'Mantianhong' and 'Hongxiangsu' red-skinned cultivars...
2017: Horticulture Research
https://www.readbyqxmd.com/read/29114391/erratum-the-bzip-transcription-factor-mdhy5-regulates-anthocyanin-accumulation-and-nitrate-assimilation-in-apple
#3
Jian-Ping An, Feng-Jia Qu, Ji-Fang Yao, Xiao-Na Wang, Chun-Xiang You, Xiao-Fei Wang, Yu-Jin Hao
[This corrects the article DOI: 10.1038/hortres.2017.23.].
2017: Horticulture Research
https://www.readbyqxmd.com/read/29114390/phospholipase-d-inhibition-by-hexanal-is-associated-with-calcium-signal-transduction-events-in-raspberry
#4
Walid El Kayal, Gopinadhan Paliyath, J Alan Sullivan, Jayasankar Subramanian
Raspberry (Rubus spp.) is an economically important crop with a restricted growing season and very limited fruit shelf-life due to its extreme tenderness. In order to prolong its shelf life, an aqueous composition containing hexanal as the key active ingredient (HC) was applied as a preharvest spray during fruit development. The effects of HC were assessed using physiological, biochemical and anatomical parameters on the treated fruits and compared with the effects of mock inoculation which lacked hexanal. Sugars and acidity did not show a significant change in response to HC treatment, while the pulling force (the tension required to detach the berry from the receptacle) significantly improved in the HC-treated fruits, compared to control...
2017: Horticulture Research
https://www.readbyqxmd.com/read/29071089/erratum-pro-inflammatory-effects-of-a-litchi-protein-extract-in-murine-raw264-7-macrophages
#5
Xiaoli Wang, Xiaorong Hu, Huiqing Yan, Zhaocheng Ma, Xiuxin Deng
[This corrects the article DOI: 10.1038/hortres.2016.17.].
2017: Horticulture Research
https://www.readbyqxmd.com/read/29051820/vqmapkkk38-is-essential-for-stilbene-accumulation-in-grapevine
#6
Yuntong Jiao, Dan Wang, Lan Wang, Changyue Jiang, Yuejin Wang
Vitis species, including grapevine, produce a class of secondary metabolites called stilbenes that are important for plant disease resistance and can have positive effects on human health. Mitogen-activated protein kinase (MAPK) signaling cascades not only play key roles in plant defense responses but also contribute to stilbene biosynthesis in grapevine. MAPKKKs function at the upper level of the MAPK network and initiate signaling through this pathway. In this study, a Raf-like MAPKKK gene, VqMAPKKK38, was identified and functionally characterized from the Chinese wild grapevine V...
2017: Horticulture Research
https://www.readbyqxmd.com/read/28979789/water-lilies-as-emerging-models-for-darwin-s-abominable-mystery
#7
REVIEW
Fei Chen, Xing Liu, Cuiwei Yu, Yuchu Chen, Haibao Tang, Liangsheng Zhang
Water lilies are not only highly favored aquatic ornamental plants with cultural and economic importance but they also occupy a critical evolutionary space that is crucial for understanding the origin and early evolutionary trajectory of flowering plants. The birth and rapid radiation of flowering plants has interested many scientists and was considered 'an abominable mystery' by Charles Darwin. In searching for the angiosperm evolutionary origin and its underlying mechanisms, the genome of Amborella has shed some light on the molecular features of one of the basal angiosperm lineages; however, little is known regarding the genetics and genomics of another basal angiosperm lineage, namely, the water lily...
2017: Horticulture Research
https://www.readbyqxmd.com/read/28955443/solar-thermotherapy-reduces-the-titer-of-candidatus-liberibacter-asiaticus-and-enhances-canopy-growth-by-altering-gene-expression-profiles-in-hlb-affected-citrus-plants
#8
Melissa M Doud, Yungsheng Wang, Michelle T Hoffman, Christina L Latza, Weiqi Luo, Cheryl M Armstrong, Tim R Gottwald, Liangying Dai, Feng Luo, Yongping Duan
Huanglongbing (HLB), a systemic and destructive disease of citrus, is associated with 'Candidatus Liberibacter asiaticus' (Las) in the United States. Our earlier work has shown that Las bacteria were significantly reduced or eliminated when potted HLB-affected citrus were continuously exposed to high temperatures of 40 to 42 °C for a minimum of 48 h. To determine the feasibility and effectiveness of solar thermotherapy in the field, portable plastic enclosures were placed over commercial and residential citrus, exposing trees to high temperatures through solarization...
2017: Horticulture Research
https://www.readbyqxmd.com/read/28944065/exogenous-cytokinin-application-to-actinidia-chinensis-var-deliciosa-hayward-fruit-promotes-fruit-expansion-through-water-uptake
#9
Simona Nardozza, Helen L Boldingh, Mark W Wohlers, Andrew P Gleave, Zhiwei Luo, Guglielmo Costa, Elspeth A MacRae, Michael J Clearwater, Annette C Richardson
Exogenous application of a cytokinin-like compound forchlorfenuron (CPPU) can promote fruit growth, although often at the expense of dry matter (DM), an important indicator of fruit quality. Actinidia chinensis var. deliciosa 'Hayward' fruit are very responsive to CPPU treatments, but the mechanism underlying the significant fruit weight increase and associated decrease in DM is unclear. In this study, we hypothesised that CPPU-enhanced growth increases fruit carbohydrate demand, but limited carbohydrate supply resulted in decreased fruit DM...
2017: Horticulture Research
https://www.readbyqxmd.com/read/28904803/comparative-transcriptome-analysis-during-early-fruit-development-between-three-seedy-citrus-genotypes-and-their-seedless-mutants
#10
Shujian Zhang, Qingchun Shi, Ute Albrecht, Robert G Shatters, Ric Stange, Greg McCollum, Shuo Zhang, Chengming Fan, Ed Stover
Identification of genes with differential transcript abundance (GDTA) in seedless mutants may enhance understanding of seedless citrus development. Transcriptome analysis was conducted at three time points during early fruit development (Phase 1) of three seedy citrus genotypes: Fallglo (Bower citrus hybrid (Citrus reticulata×C. reticulata×C. paradisi)×Temple (C. reticulata×C. sinensis)), grapefruit (C. paradisi), Pineapple sweet orange (C. sinensis), and their seedless mutants. Seed abortion in seedless mutants was observed at 26 days post anthesis (Time point 2)...
2017: Horticulture Research
https://www.readbyqxmd.com/read/28791127/patterns-of-genomic-and-phenomic-diversity-in-wine-and-table-grapes
#11
Zoë Migicovsky, Jason Sawler, Kyle M Gardner, Mallikarjuna K Aradhya, Bernard H Prins, Heidi R Schwaninger, Carlos D Bustamante, Edward S Buckler, Gan-Yuan Zhong, Patrick J Brown, Sean Myles
Grapes are one of the most economically and culturally important crops worldwide, and they have been bred for both winemaking and fresh consumption. Here we evaluate patterns of diversity across 33 phenotypes collected over a 17-year period from 580 table and wine grape accessions that belong to one of the world's largest grape gene banks, the grape germplasm collection of the United States Department of Agriculture. We find that phenological events throughout the growing season are correlated, and quantify the marked difference in size between table and wine grapes...
2017: Horticulture Research
https://www.readbyqxmd.com/read/28785415/the-wrky-transcription-factor-hpwrky44-regulates-cytp450-like1-expression-in-red-pitaya-fruit-hylocereus-polyrhizus
#12
Mei-Nv Cheng, Zi-Juan Huang, Qing-Zhu Hua, Wei Shan, Jian-Fei Kuang, Wang-Jin Lu, Yong-Hua Qin, Jian-Ye Chen
Red pitaya (Hylocereus polyrhizus) fruit is a high-value, functional food, containing a high level of betalains. Several genes potentially related to betalain biosynthesis, such as cytochrome P450-like (CytP450-like), have been identified in pitaya fruit, while their transcriptional regulation remains unclear. In this work, the potential involvement of a WRKY transcription factor, HpWRKY44, in regulating CytP450-like1 expression in pitaya fruit was examined. HpWRKY44, a member of the Group 1 WRKY family, contains two conserved WRKY motifs and is localized in the nucleus...
2017: Horticulture Research
https://www.readbyqxmd.com/read/28785414/pathogen-development-and-host-responses-to-plasmopara-viticola-in-resistant-and-susceptible-grapevines-an-ultrastructural-study
#13
Xiao Yin, Rui-Qi Liu, Hang Su, Li Su, Yu-Rui Guo, Zi-Jia Wang, Wei Du, Mei-Jie Li, Xi Zhang, Yue-Jin Wang, Guo-Tian Liu, Yan Xu
The downy mildew disease in grapevines is caused by Plasmopara viticola. This disease poses a serious threat wherever viticulture is practiced. Wild Vitis species showing resistance to P. viticola offer a promising pathway to develop new grapevine cultivars resistant to P. viticola which will allow reduced use of environmentally unfriendly fungicides. Here, transmission and scanning microscopy was used to compare the resistance responses to downy mildew of three resistant genotypes of V. davidii var. cyanocarpa, V...
2017: Horticulture Research
https://www.readbyqxmd.com/read/28758015/applying-generalized-additive-models-to-unravel-dynamic-changes-in-anthocyanin-biosynthesis-in-methyl-jasmonate-elicited-grapevine-vitis-vinifera-cv-gamay-cell-cultures
#14
Nay Min Min Thaw Saw, Claudio Moser, Stefan Martens, Pietro Franceschi
Plant cell cultures represent important model systems to understand metabolism and its modulation by regulatory factors. Even in controlled conditions, cell metabolism is highly dynamic and can be fully characterized only by time course experiments. Here, we show that statistical analysis of this type of data gains power if it moves to approaches able to compare the 'trends' of the different metabolites. In particular, we show how generalized additive models can be used to model the time-dependent profile of anthocyanin synthesis in grapevine cell suspension cultures (Vitis vinifera cv...
2017: Horticulture Research
https://www.readbyqxmd.com/read/28713572/a-transcriptome-analysis-of-two-grapevine-populations-segregating-for-tendril-phyllotaxy
#15
Jie Arro, Jose Cuenca, Yingzhen Yang, Zhenchang Liang, Peter Cousins, Gan-Yuan Zhong
The shoot structure of cultivated grapevine Vitis vinifera L. typically exhibits a three-node modular repetitive pattern, two sequential leaf-opposed tendrils followed by a tendril-free node. In this study, we investigated the molecular basis of this pattern by characterizing differentially expressed genes in 10 bulk samples of young tendril tissue from two grapevine populations showing segregation of mutant or wild-type shoot/tendril phyllotaxy. One population was the selfed progeny and the other one, an outcrossed progeny of a Vitis hybrid, 'Roger's Red'...
2017: Horticulture Research
https://www.readbyqxmd.com/read/28698797/new-technologies-accelerate-the-exploration-of-non-coding-rnas-in-horticultural-plants
#16
REVIEW
Degao Liu, Ritesh Mewalal, Rongbin Hu, Gerald A Tuskan, Xiaohan Yang
Non-coding RNAs (ncRNAs), that is, RNAs not translated into proteins, are crucial regulators of a variety of biological processes in plants. While protein-encoding genes have been relatively well-annotated in sequenced genomes, accounting for a small portion of the genome space in plants, the universe of plant ncRNAs is rapidly expanding. Recent advances in experimental and computational technologies have generated a great momentum for discovery and functional characterization of ncRNAs. Here we summarize the classification and known biological functions of plant ncRNAs, review the application of next-generation sequencing (NGS) technology and ribosome profiling technology to ncRNA discovery in horticultural plants and discuss the application of new technologies, especially the new genome-editing tool clustered regularly interspaced short palindromic repeat (CRISPR)/CRISPR-associated protein 9 (Cas9) systems, to functional characterization of plant ncRNAs...
2017: Horticulture Research
https://www.readbyqxmd.com/read/28674614/an-efp-browser-for-visualizing-strawberry-fruit-and-flower-transcriptomes
#17
Charles Hawkins, Julie Caruana, Jiaming Li, Chris Zawora, Omar Darwish, Jun Wu, Nadim Alkharouf, Zhongchi Liu
Wild strawberry Fragaria vesca is emerging as an important model system for the cultivated strawberry due to its diploid genome and availability of extensive transcriptome data and a range of molecular genetic tools. Being able to better utilize these tools, especially the transcriptome data, will greatly facilitate research progress in strawberry and other Rosaceae fruit crops. The electronic fluorescent pictograph (eFP) software is a useful and popular tool to display transcriptome data visually, and is widely used in other model organisms including Arabidopsis and mouse...
2017: Horticulture Research
https://www.readbyqxmd.com/read/28638623/the-genetic-architecture-of-growth-traits-in-salix-matsudana-under-salt-stress
#18
Jian Zhang, Huwei Yuan, Qingshan Yang, Min Li, Ying Wang, Yujuan Li, Xiangjian Ma, Feng Tan, Rongling Wu
Willow (Salix) is one of the most important ornamental tree species in landscape plants. One species, Salix matsudana, is widely used as a shade tree and border tree because of its soft branches and plump crown. Some varieties of S. matsudana were salt tolerant and could grow normally in coastal regions. However, the molecular mechanisms of salt tolerance for S. matsudana have been less clear. Here, we addressed this issue by performing a mapping experiment containing 195 intraspecific F1 progeny of S. matsudana, derived from salt-sensitive 'yanjiang' and salt-tolerant '9901', grown by cuttings in a 100 mM NaCl solution...
2017: Horticulture Research
https://www.readbyqxmd.com/read/28611922/the-bzip-transcription-factor-mdhy5-regulates-anthocyanin-accumulation-and-nitrate-assimilation-in-apple
#19
Jian-Ping An, Feng-Jia Qu, Ji-Fang Yao, Xiao-Na Wang, Chun-Xiang You, Xiao-Fei Wang, Yu-Jin Hao
The basic leucine zipper (bZIP) transcription factor HY5 plays a multifaceted role in plant growth and development. Here the apple MdHY5 gene was cloned based on its homology with Arabidopsis HY5. Expression analysis demonstrated that MdHY5 transcription was induced by light and abscisic acid treatments. Electrophoretic mobility shift assays and transient expression assays subsequently showed that MdHY5 positively regulated both its own transcription and that of MdMYB10 by binding to E-box and G-box motifs, respectively...
2017: Horticulture Research
https://www.readbyqxmd.com/read/28580151/transcriptomic-and-metabolomic-analyses-of-cucumber-fruit-peels-reveal-a-developmental-increase-in-terpenoid-glycosides-associated-with-age-related-resistance-to-phytophthora-capsici
#20
Ben N Mansfeld, Marivi Colle, Yunyan Kang, A Daniel Jones, Rebecca Grumet
The oomycete, Phytophthora capsici, infects cucumber (Cucumis sativus L.) fruit. An age-related resistance (ARR) to this pathogen was previously observed in fruit of cultivar 'Vlaspik' and shown to be associated with the peel. Young fruits are highly susceptible, but develop resistance at ~10-12 days post pollination (dpp). Peels from resistant (16 dpp) versus susceptible (8 dpp) age fruit are enriched with genes associated with defense, and methanolic extracts from resistant age peels inhibit pathogen growth...
2017: Horticulture Research
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