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Chunhua Zhang, Ruijuan Ma, Jianlan Xu, Juan Yan, Lei Guo, Juan Song, Ruchao Feng, Mingliang Yu
The MYB transcription factor superfamily is one of the largest superfamilies modulating various biological processes in plants. Over the past few decades, many MYB superfamily genes have been identified and characterized in some plant species. However, genes belonging to the MYB superfamily in peach (Prunus persica) have not been comprehensively identified and characterized although the genome sequences of peach were released several years ago. In total, this study yielded a set of 256 MYB superfamily genes that was divided into five subfamilies: the R2R3-MYB (2R-MYB), R1R2R3-MYB (3R-MYB), MYB-related (1R-MYB), 4R-MYB, and Atypical-MYB subfamilies...
2018: PloS One
Beenu Tanwar, Rajni Modgil, Ankit Goyal
BACKGROUND: Despite rich source of protein & oil, wild (bitter) apricot (Prunus armeniaca L.) kernel is rarely exploited by food industries due to high amount of antinutrients and potentially toxic amygdalin. The present study was aimed to assess the effect of detoxification on the biological quality of the wild apricot kernel (WAK) supplemented diet. RESULTS: In order to detoxify, wild apricot kernel flour was soaked in 25% sodium chloride solution for approximately 24h followed by washing and drying...
June 21, 2018: Journal of the Science of Food and Agriculture
Su Bin Park, Gwang Hun Park, Ha Na Kim, Hun Min Song, Ho-Jun Son, Ji Ae Park, Hyun-Seok Kim, Jin Boo Jeong
BACKGROUND: Although the inhibitory effect of mistletoe on cancer cell growth has been reported, the underlying mechanisms to explain its anti-proliferative activity are not fully studied. Thus, we elucidated the potential molecular mechanism of the branch from Taxillus yadoriki (TY) parasitic to Neolitsea sericea (NS) (TY-NS-B) for the anti-proliferative effect. METHODS: Anti-cell proliferative effect was evaluated by MTT assay. The change of cyclin D1 protein or mRNA level was evaluated by Western blot and RT-RCR, respectively...
June 20, 2018: BMC Complementary and Alternative Medicine
María J Rubio-Cabetas, Clara Pons, Beatriz Bielsa, María L Amador, Cristina Marti, Antonio Granell
Analysis of the transcriptomic changes produced in response to hypoxia in root tissues from two rootstock Prunus genotypes differing in their sensitivity to waterlogging: resistant Myrobalan 'P.2175' (P. cerasifera Erhr.), and sensitive 'Felinem' hybrid [P. amygdalus Batsch × P. persica (L.) Batsch] revealed alterations in both metabolism and regulatory processes. Early hypoxia response in both genotypes is characterized by a molecular program aimed to adapt the cell metabolism to the new conditions. Upon hypoxia conditions, tolerant Myrobalan represses first secondary metabolism gene expression as a strategy to prevent the waste of resources/energy, and by the up-regulation of protein degradation genes probably leading to structural adaptations to long-term response to hypoxia...
June 9, 2018: Journal of Plant Physiology
Valerie D Zaffran, Shridhar K Sathe
Almond seeds were subjected to select thermal processing and amandin was purified from processed and unprocessed (control) seeds using cryoprecipitation. Amandin immunoreactivity was assessed using two murine monoclonal antibodies (mAbs)-4C10 and 4F10 detecting human IgE-relevant conformational and linear epitopes, respectively. Overall amandin immunoreactivity following thermal treatment ranged from 64.9% to 277.8% (4C10) and 81.3% to 270.3% (4F10). Except for autoclaving (121 °C, 15 psi, 30 min) and roasting (160 °C, 30 min), the tested processing conditions resulted in increased immunoreactivity as determined by mAbs 4C10 and 4F10-based enzyme-linked immunosorbent assays (ELISAs)...
June 15, 2018: Journal of Food Science
Zachary T Brym, S K Morgan Ernest
We evaluated allometric relationships in length, diameter, and mass of branches for two variably managed orchard tree species (tart cherry, Prunus cerasus ; apple, Malus spp . ). The empirically estimated allometric exponents ( a ) of the orchard trees were described in the context of two processed-based allometry models that make predictions for a : the West, Brown and Enquist fractal branching model (WBE) and the recently introduced Flow Similarity model (FS). These allometric models make predictions about relationships in plant morphology (e...
2018: PeerJ
Shaan Bibi Jaffri, Khuram Shahzad Ahmad
Present study has for the first time reported Prunus cerasifera leaf extract mediated zinc oxide nanoparticles in a green and one pot synthetic mode without utilization of any chemical reducing agents. Synthesized nanoparticles were analyzed by ultraviolet-visible (UV-Vis) spectroscopy, X-ray diffraction (XRD), fourier transmission infrared spectroscopy (FTIR) and scanning electron microscopy (SEM). UV-Vis peak was detected at 380 nm due to surface plasmon resonance (SPR). Variety of biomolecules were revealed by FTIR involved in reduction cum stabilization of zinc oxide nanoparticles...
June 13, 2018: Environmental Technology
Pushpendra Kumar, Shruti Sethi, R R Sharma, Manish Srivastav, Dinesh Singh, Eldho Varghese
Plum is a perishable fruit with a very short shelf life of 3-4 days. Several studies have suggested the possible use of edible coatings on maintaining quality and prolonging storage life of fresh horticultural produce. Hence, different edible coatings, namely, lac-based (2:3), Semperfresh™ (1:3) and Niprofresh® (1:5) were selected to observe their efficacy on quality retention of 'Santa Rosa' plums. The effects of these coatings on the physical, physiological and biochemical attributes were studied under cold storage conditions (2 ± 1 °C and 85-90% relative humidity)...
June 2018: Journal of Food Science and Technology
Wee L Yee
Western cherry fruit fly, Rhagoletis indifferens Curran (Diptera: Tephritidae), is a quarantine pest of cherries (Prunus spp.) in western North America that can be detected using sticky yellow rectangle traps. Recently, a related invasive fly from Europe and Asia, the European cherry fruit fly, Rhagoletis cerasi (L.) (Diptera: Tephritidae), was detected in eastern North America, prompting surveys for it in the West. Sticky crossed-panel yellow Rebell and cylindrical-type yellow PALz traps were developed for R...
May 1, 2018: Journal of Insect Science
Beyza Sukran Isik, Filiz Altay, Esra Capanoglu
Sour cherry (Prunus cerasus L.) is rich in polyphenols which are known to be protective agents against several diseases. Polyphenols are highly sensitive against temperature, pH, oxygen, and light conditions, leading to low bioaccessibility. In this study, polyphenols of sour cherry concentrate (SCC) were encapsulated by uniaxial or coaxial electrospinning with gelatin or gelatin-lactalbumin. Results showed that phenolic acids had higher encapsulation efficiencies than anthocyanins. Encapsulation efficiencies were found as 89...
November 1, 2018: Food Chemistry
Alfredo Bottone, Paola Montoro, Milena Masullo, Cosimo Pizza, Sonia Piacente
Prunus dulcis leaves have been reported to exert some biological activity, in particular potent free radical-scavenging capacity, but so far there is limited information on their chemical composition. With the aim to achieve deep insight on the chemical constituents of the leaves of P. dulcis cultivars "Toritto" and "Avola", the most appreciated in Italy, an approach based on liquid chromatography-mass spectrometry (LC-MS) combined with isolation and structure elucidation of pure compounds by Nuclear Magnetic Resonance (NMR) analysis was carried out...
May 23, 2018: Journal of Pharmaceutical and Biomedical Analysis
Patricio Mateluna, Ariel Salvatierra, Simón Solis, Gabriel Nuñez, Paula Pimentel
Prunus species have been classified as moderately sensitive to root hypoxia, but with a certain intrageneric tolerance degree to oxygen deficiency. Previously, RNA-seq analysis described the transcriptomic reconfiguration of two Prunus rootstocks contrasting to root hypoxia, which included the shift from aerobic to anaerobic metabolism. Here, we studied the relationship between lactate accumulation and the functionality of an aquaporin differentially expressed in 'Mariana 2624', a plum-based (Prunus cerasifera x Prunus munsoniana) rootstock tolerant to root hypoxia stress, and 'Mazzard F12/1', a cherry-based (Prunus avium) rootstock sensitive to root hypoxia stress...
May 12, 2018: Journal of Plant Physiology
Kaifeng Ma, Qixiang Zhang, Tangren Cheng, Jia Wang
This study focused on the construction of a database of transposable elements (TEs) from Rosaceae plants, the third most economically important plant family in temperate regions, and its transcriptomics applications. The evolutionary effects of TEs on gene regulation have been explored, and TE insertions can be the molecular bases of changes in gene structure and function. However, a specific Rosaceae plant TE database (RPTEdb) is lacking. The genomes of several Rosaceae plants have been sequenced, providing the opportunity to mine TE data at a whole-genome level...
May 26, 2018: Molecular Genetics and Genomics: MGG
Dong Liu, Yimei Huang, Hao Yan, Yueli Jiang, Tong Zhao, Shaoshan An
Microbially-mediated soil N mineralization and transformation are crucial to plant growth. However, changes in soil microbial groups and various N components are not clearly understood. To explore the relationship between soil N components and microbial communities, we conducted an in-situ experiment on two typically planted forest species, namely, Sibirica Apricot (SA) and Prunus davidiana Franch (PdF) by using closed-top polyvinyl chloride tubes. Changes in soil inorganic N, organic N (ON) fractions, and levels of microbial phospholipid fatty acids (PLFAs) were measured bimonthly from April 2012 to April 2013...
2018: PloS One
Susanne Baldermann, Thomas Homann, Susanne Neugart, Frank-M Chmielewski, Klaus-Peter Götz, Kristin Gödeke, Gerd Huschek, Getrud E Morlock, Harshadrai M Rawel
Many biochemical processes are involved in regulating the consecutive transition of different phases of dormancy in sweet cherry buds. An evaluation based on a metabolic approach has, as yet, only been partly addressed. The aim of this work, therefore, was to determine which plant metabolites could serve as biomarkers for the different transitions in sweet cherry buds. The focus here was on those metabolites involved in oxidation-reduction processes during bud dormancy, as determined by targeted and untargeted mass spectrometry-based methods...
May 17, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Sara Herrera, Jorge Lora, José I Hormaza, Maria Herrero, Javier Rodrigo
Apricot ( Prunus armeniaca L.) is a species of the Rosaceae that was originated in Central Asia, from where it entered Europe through Armenia. The release of an increasing number of new cultivars from different breeding programs is resulting in an important renewal of plant material worldwide. Although most traditional apricot cultivars in Europe are self-compatible, the use of self-incompatible cultivars as parental genotypes for breeding purposes is leading to the introduction of a number of new cultivars that behave as self-incompatible...
2018: Frontiers in Plant Science
Azam Nikbakht Dehkordi, Manuel Rubio, Nadali Babaeian, Alfonso Albacete, Pedro Martínez-Gómez
Plum pox virus (PPV, sharka) is a limiting factor for peach production, and no natural sources of resistance have been described. Recent studies, however, have demonstrated that grafting the almond cultivar "Garrigues" onto the "GF305" peach infected with Dideron-type (PPV-D) isolates progressively reduces disease symptoms and virus accumulation. Furthermore, grafting "Garrigues" onto "GF305" prior to PPV-D inoculation has been found to completely prevent virus infection, showing that resistance is constitutive and not induced by the virus...
May 3, 2018: Viruses
María M López, Pablo Lopez-Soriano, Jerson Garita-Cambronero, Carmen Beltrán, Geraldine Taghouti, Perrine Portier, Jaime Cubero, Marion Fischer-Le Saux, Ester Marco-Noales
Three isolates obtained from symptomatic nectarine trees (Prunus persica var. nectarina) cultivated in Murcia, Spain, which showed yellow and mucoid colonies similar to Xanthomonas arboricola pv. pruni, were negative after serological and real-time PCR analyses for this pathogen. For that reason, these isolates were characterized following a polyphasic approach that included both phenotypic and genomic methods. By sequence analysis of the 16S rRNA gene, these novel strains were identified as members of the genus Xanthomonas, and by multilocus sequence analysis (MLSA) they were clustered together in a distinct group that showed similarity values below 95 % with the rest of the species of this genus...
May 9, 2018: International Journal of Systematic and Evolutionary Microbiology
Paula Guzmán-Delgado, J Mason Earles, Maciej A Zwieniecki
Soil water transported via the petiole is a primary rehydration pathway for leaves of water stressed plants. Leaves may also rehydrate by absorbing water via their epidermal surfaces. The mechanisms and physiological relevance of this water pathway, however, remain unclear, as the associated hydraulic properties are unknown. To gain insight into the foliar water absorption process, we compared rehydration kinetics via the petiole and surface of Prunus dulcis and Quercus lobata leaves. Petiole rehydration could be described by a double exponential function suggesting that two partly isolated water pools exist in leaves of both species...
May 8, 2018: Plant, Cell & Environment
Xiaopeng Ni, Song Xue, Shahid Iqbal, Wanxu Wang, Zhaojun Ni, Muhammad Khalil-Ur-Rehman, Zhihong Gao
The red-skinned fruit of Japanese apricot ( Prunus mume Sieb. et Zucc) appeals to customers due to its eye-catching pigmentation, while the mechanism related to its colour formation is still unclear. In this study, genome re-sequencing of six Japanese apricot cultivars was carried out with approximately 92.2 Gb of clean bases using next-generation sequencing. A total of 32,004 unigenes were assembled with an average of 83.1% coverage rate relative to reference genome. A wide range of genetic variation was detected, including 7,387,057 single nucleotide polymorphisms, 456,222 insertions or deletions and 129,061 structural variations in all genomes...
2018: PeerJ
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