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https://www.readbyqxmd.com/read/28817100/modulatory-effects-of-exogenously-applied-polyamines-on-postharvest-physiology-antioxidant-system-and-shelf-life-of-fruits-a-review
#1
REVIEW
Sunil Sharma, Sunil Pareek, Narashans Alok Sagar, Daniel Valero, Maria Serrano
Polyamines (PAs) are natural compounds involved in many growth and developmental processes in plants, and, specifically in fruits, play a vital role regulating its development, ripening and senescence processes. Putrescine (PUT), spermine (SPE), and spermidine (SPD) are prominent PAs applied exogenously to extend shelf life of fruits. They also originate endogenously during developmental phases of horticultural crops and simultaneously affect the quality attributes and shelf life. Their anti-ethylene nature is being exploited to enhance the shelf life when exogenously applied on fruits...
August 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28800978/modelling-landscape-dynamics-with-lst-in-protected-areas-of-western-ghats-karnataka
#2
T V Ramachandra, Setturu Bharath, Nimish Gupta
Forest ecosystems sustain biota on the earth as they are habitat to diverse biotic species, arrests soil erosion, play a crucial role in water cycle, sequester carbon, and helps in mitigating the impacts of global warming. Large scale land use land cover (LULC) change leading to deforestation is one of the drivers of global climate changes and alteration of biogeochemical cycles with significant consequences in ecosystem services and biodiversity. This has necessitated the investigation of LULC by mapping, monitoring and modelling spatio-temporal patterns and evaluating these in the context of human-environment interactions...
August 8, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28798769/molecular-basis-underlying-leaf-variegation-of-a-moth-orchid-mutant-phalaenopsis-aphrodite-subsp-formosana
#3
Chi-Chu Tsai, Yu-Jen Wu, Chiou-Rong Sheue, Pei-Chun Liao, Ying-Hao Chen, Shu-Ju Li, Jian-Wei Liu, Han-Tsung Chang, Wen-Lin Liu, Ya-Zhu Ko, Yu-Chung Chiang
Leaf variegation is often the focus of plant breeding. Here, we studied a variegated mutant of Phalaenopsis aphrodite subsp. formosana, which is usually used as a parent of horticultural breeding, to understand its anatomic and genetic regulatory mechanisms in variegation. Chloroplasts with well-organized thylakoids and starch grains were found only in the mesophyll cells of green sectors but not of yellow sectors, confirming that the variegation belongs to the chlorophyll type. The two-dimensional electrophoresis and LC/MS/MS also reveal differential expressions of PsbP and PsbO between the green and yellow leaf sectors...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28798759/genome-size-diversity-in-lilium-liliaceae-is-correlated-with-karyotype-and-environmental-traits
#4
Yun-Peng Du, Yu Bi, Ming-Fang Zhang, Feng-Ping Yang, Gui-Xia Jia, Xiu-Hai Zhang
Genome size (GS) diversity is of fundamental biological importance. The occurrence of giant genomes in angiosperms is restricted to just a few lineages in the analyzed genome size of plant species so far. It is still an open question whether GS diversity is shaped by neutral or natural selection. The genus Lilium, with giant genomes, is phylogenetically and horticulturally important and is distributed throughout the northern hemisphere. GS diversity in Lilium and the underlying evolutionary mechanisms are poorly understood...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28782460/horticulture-in-portugal-1850-1900-the-role-of-science-and-public-utility-in-shaping-knowledge
#5
Ana Duarte Rodrigues, Ana Simões
In this paper, we address the emergence of horticultural practice, agents, spaces and institutions in the two urban settings of Lisbon and Porto, in Portugal, during the second half of the nineteenth century. We do so by following the networking activities of two players: the self-made horticulturist and entrepreneur José Marques Loureiro, who created, in Porto, a commercial horticultural establishment and founded the Journal of Practical Horticulture; and the agronomist Francisco Simões Margiochi, head of the gardens and green grounds department of the municipality, who created the first course on gardening and horticulture, and founded the Royal Horticultural Society, both in Lisbon...
August 7, 2017: Annals of Science
https://www.readbyqxmd.com/read/28773212/production-of-high-value-nanoparticles-via-biogenic-processes-using-aquacultural-and-horticultural-food-waste
#6
REVIEW
Purabi R Ghosh, Derek Fawcett, Shashi B Sharma, Gerrard E J Poinern
The quantities of organic waste produced globally by aquacultural and horticulture are extremely large and offer an attractive renewable source of biomolecules and bioactive compounds. The availability of such large and diverse sources of waste materials creates a unique opportunity to develop new recycling and food waste utilisation strategies. The aim of this review is to report the current status of research in the emerging field of producing high-value nanoparticles from food waste. Eco-friendly biogenic processes are quite rapid, and are usually carried out at normal room temperature and pressure...
July 25, 2017: Materials
https://www.readbyqxmd.com/read/28755691/chlorogenic-acid-is-a-fungicide-active-against-phytopathogenic-fungi
#7
Guadalupe Martínez, Mariana Regente, Santiago Jacobi, Marianela Del Rio, Marcela Pinedo, Laura de la Canal
Plants synthesize diverse types of secondary metabolites and some of them participate in plant protection against pathogen attack. These compounds are biodegradable and renewable alternatives, which may be envisaged for the control of plant pests and diseases. Chlorogenic acid (CGA) is a phenolic secondary metabolite which accumulates in diverse plant tissues and can be found in several agro-industrial by-products and waste. The aim of this work was to determine whether CGA could control the growth of various plant pathogenic fungi, gaining insight into its mechanism of action...
August 2017: Pesticide Biochemistry and Physiology
https://www.readbyqxmd.com/read/28754207/volatiles-emitted-by-bacillus-sp-bct9-act-as-growth-modulating-agents-on-lactuca-sativa-seedlings
#8
Paola Fincheira, Leonardo Parra, Ana Mutis, Maribel Parada, Andrés Quiroz
Chemical products are applied during horticulture to increase food production, but the environmental problems resulting from these applications have led to a search for more sustainable products. Volatile organic compounds (VOCs) demonstrating plant growth promoter (PGP) activity released by bacterial species have emerged as alternatives, but their effects on Lactuca sativa growth are unknown. In this study, VOCs released by Bacillus sp. BCT9 cultures grown in different media (Methyl Red & Voges Proskauer, Murashige & Skoog and nutrient media) at concentrations of 0...
October 2017: Microbiological Research
https://www.readbyqxmd.com/read/28746411/selection-and-validation-of-reference-genes-for-quantitative-real-time-pcr-analysis-under-different-experimental-conditions-in-the-leafminer-liriomyza-trifolii-diptera-agromyzidae
#9
Ya-Wen Chang, Jing-Yun Chen, Ming-Xing Lu, Yuan Gao, Zi-Hua Tian, Wei-Rong Gong, Wei Zhu, Yu-Zhou Du
Liriomyza trifolii is a highly-invasive leafmining insect that causes significant damage to vegetables and horticultural crops worldwide. Relatively few studies have quantified gene expression in L. trifolii using real-time quantitative PCR (RT-qPCR), which is a reliable and sensitive technique for measuring gene expression. RT-qPCR requires the selection of reference genes to normalize gene expression data and control for internal differences between samples. In this study, nine housekeeping genes from L. trifolii were selected for their suitability in normalizing gene expression using geNorm, Normfinder, BestKeeper, the ΔCt method and RefFinder...
2017: PloS One
https://www.readbyqxmd.com/read/28737680/mapping-quantitative-trait-loci-qtl-for-resistance-to-late-blight-in-tomato
#10
Dilip R Panthee, Ann Piotrowski, Ragy Ibrahem
Late blight caused by Phytophthora infestans (Montagne, Bary) is a devastating disease of tomato worldwide. There are three known major genes, Ph-1, Ph-2, and Ph-3, conferring resistance to late blight. In addition to these three genes, it is also believed that there are additional factors or quantitative trait loci (QTL) conferring resistance to late blight. Precise molecular mapping of all those major genes and potential QTL is important in the development of suitable molecular markers and hence, marker-assisted selection (MAS)...
July 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28729549/des-tomato-a-knowledge-exploration-system-focused-on-tomato-species
#11
Adil Salhi, Sónia Negrão, Magbubah Essack, Mitchell J L Morton, Salim Bougouffa, Rozaimi Razali, Aleksandar Radovanovic, Benoit Marchand, Maxat Kulmanov, Robert Hoehndorf, Mark Tester, Vladimir B Bajic
Tomato is the most economically important horticultural crop used as a model to study plant biology and particularly fruit development. Knowledge obtained from tomato research initiated improvements in tomato and, being transferrable to other such economically important crops, has led to a surge of tomato-related research and published literature. We developed DES-TOMATO knowledgebase (KB) for exploration of information related to tomato. Information exploration is enabled through terms from 26 dictionaries and combination of these terms...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28722154/application-of-headspace-solid-phase-microextraction-followed-by-gas-chromatography-coupled-with-mass-spectrometry-spme-gc-ms-to-determine-esters-of-carboxylic-acids-and-other-volatile-compounds-in-d-maculatus-and-d-ater-lipids
#12
Magdalena Cerkowniak, Mieczysława I Boguś, Emilia Włóka, Piotr Stepnowski, Marek Gołębiowski
A constant problem in veterinary medicine, human healthcare, agriculture, forestry or horticulture is the large number of pests, and the lack of effective methods to combat them which cause no harm to the rest of the environment. It is recommended and desired to reduce the use of chemicals and increase the use of agents based on the knowledge acquired in the field of biology, chemistry, and agrochemicals. To learn the defense mechanisms of insects we should consider not only the site of their physiological ability to protect against external factors (cuticle), but also check the possibility of chemical protection, formed by all compounds on the surface and in the body of insects...
July 19, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/28721680/evaluation-of-haplotype-diversity-of-achatina-fulica-lissachatina-bowdich-from-indian-sub-continent-by-means-of-16s-rdna-sequence-and-its-phylogenetic-relationships-with-other-global-populations
#13
Vijaya Sai Ayyagari, Krupanidhi Sreerama
Achatina fulica (Lissachatina fulica) is one of the most invasive species found across the globe causing a significant damage to crops, vegetables, and horticultural plants. This terrestrial snail is native to east Africa and spread to different parts of the world by introductions. India, a hot spot for biodiversity of several endemic gastropods, has witnessed an outburst of this snail population in several parts of the country posing a serious threat to crop loss and also to human health. With an objective to evaluate the genetic diversity of this snail, we have sampled this snail from different parts of India and analyzed its haplotype diversity by means of 16S rDNA sequence information...
August 2017: 3 Biotech
https://www.readbyqxmd.com/read/28715676/modelling-the-impacts-of-altered-management-practices-land-use-and-climate-changes-on-the-water-quality-of-the-millbrook-catchment-reservoir-system-in-south-australia
#14
Hong Hanh Nguyen, Friedrich Recknagel, Wayne Meyer, Jacqueline Frizenschaf, Manoj Kumar Shrestha
Sustainable management of drinking water reservoirs requires taking into account the potential effects of their catchments' development. This study is an attempt to estimate the daily patterns of nutrients transport in the catchment - reservoir systems through the application of the ensemble of complementary models SWAT-SALMO. SWAT quantifies flow, nitrate and phosphate loadings originating in catchments before entering downstream reservoirs meanwhile SALMO determines phosphate, nitrate, and chlorophyll-a concentrations within the reservoirs...
July 14, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28707368/isolation-and-characterization-of-metaldehyde-degrading-bacteria-from-domestic-soils
#15
John C Thomas, Thorunn Helgason, Chris J Sinclair, James W B Moir
Metaldehyde is a common molluscicide, used to control slugs in agriculture and horticulture. It is resistant to breakdown by current water treatment processes, and its accumulation in drinking water sources leads to regular regulatory failures in drinking water quality. To address this problem, we isolated metaldehyde-degrading microbes from domestic soils. Two distinct bacterial isolates were cultured, that were able to grow prototrophically using metaldehyde as sole carbon and energy source. One isolate belonged to the genus Acinetobacter (strain designation E1) and the other isolate belonged to the genus Variovorax (strain designation E3)...
July 13, 2017: Microbial Biotechnology
https://www.readbyqxmd.com/read/28702937/genetic-engineering-strategies-for-biotic-and-abiotic-stress-tolerance-and-quality-enhancement-in-horticultural-crops-a-comprehensive-review
#16
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/28698797/new-technologies-accelerate-the-exploration-of-non-coding-rnas-in-horticultural-plants
#17
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/28696049/increased-nutritional-value-in-food-crops
#18
Nieves Goicoechea, M Carmen Antolín
Modern agriculture and horticulture must combine two objectives that seem to be almost mutually exclusive: to satisfy the nutritional needs of an increasing human population and to minimize the negative impact on the environment. These two objectives are included in the Goal 2 of the 2030 Agenda for Sustainable Development of the United Nations: 'End hunger, achieve food security and improved nutrition and promote sustainable agriculture'. Enhancing the nutritional levels of vegetables would improve nutrient intake without requiring an increase in consumption...
July 11, 2017: Microbial Biotechnology
https://www.readbyqxmd.com/read/28694818/insights-into-the-molecular-events-that-regulate-heat-induced-chilling-tolerance-in-citrus-fruits
#19
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/28693496/interaction-of-%C3%AE-fe2o3-nanoparticles-with-citrus-maxima-leaves-and-the-corresponding-physiological-effects-via-foliar-application
#20
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
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