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1. Genome-wide analysis of the SCPL gene family in grape (Vitis vinifera L.)
WANG Xi-cheng, WU Wei-min, ZHOU Bei-bei, WANG Zhuang-wei, QIAN Ya-ming, WANG Bo, YAN Li-chun
Journal of Integrative Agriculture    2021, 20 (10): 2666-2679.   DOI: 10.1016/S2095-3119(20)63587-0
摘要260)      PDF    收藏

本研究从葡萄基因组中共鉴定出59个SCPL蛋白,并对该基因家族进行了染色体定位、序列比对、基因结构、系统进化,及保守结构域等生物信息学分析,该基因家族的鉴定严格按照SCPL结构域进行。系统进化分析结果表明,VvSCPL基因家族可被划分成3个亚家族,每个亚家族内的基因均具有高度保守的结构域。VvSCPL基因家族外显子数量介于1-19之间,表明葡萄SCPL基因存在较大的变异。转录组测序与qRT-PCR分析结果表明,VvSCPL基因的表达受干旱和淹水胁迫的诱导或抑制,表明该家族基因可能在应答非生物胁迫过程中发挥着一定的作用。本研究为深入了解葡萄VvSCPL基因的生理与生物学功能提供了有力参考


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2. Multivariate analysis between meteorological factor and fruit quality of Fuji apple at different locations in China
ZHANG Qiang, ZHOU Bei-bei, LI Min-ji, WEI Qin-ping, HAN Zhen-hai
Journal of Integrative Agriculture    2018, 17 (06): 1338-1347.   DOI: 10.1016/S2095-3119(17)61826-4
摘要453)      PDF    收藏
China has the largest apple planting area and total yield in the world, and the Fuji apple is the major cultivar, accounting for more than 70% of apple planting acreage in China.  Apple qualities are affected by meteorological conditions, soil types, nutrient content of soil, and management practices.  Meteorological factors, such as light, temperature and moisture are key environmental conditions affecting apple quality that are difficult to regulate and control.  This study was performed to determine the effect of meteorological factors on the qualities of Fuji apple and to provide evidence for a reasonable regional layout and planting of Fuji apple in China.  Fruit samples of Fuji apple and meteorological data were investigated from 153 commercial Fuji apple orchards located in 51 counties of 11 regions in China from 2010 to 2011.  Partial least-squares regression and linear programming were used to analyze the effect model and impact weight of meteorological factors on fruit quality, to determine the major meteorological factors influencing fruit quality attributes, and to establish a regression equation to optimize meteorological factors for high-quality Fuji apples.  Results showed relationships between fruit quality attributes and meteorological factors among the various apple producing counties in China.  The mean, minimum, and maximum temperatures from April to October had the highest positive effects on fruit qualities in model effect loadings and weights, followed by the mean annual temperature and the sunshine percentage, the temperature difference between day and night, and the total precipitation for the same period.  In contrast, annual total precipitation and relative humidity from April to October had negative effects on fruit quality.  The meteorological factors exhibited distinct effects on the different fruit quality attributes.  Soluble solid content was affected from the high to the low row preface by annual total precipitation, the minimum temperature from April to October, the mean temperature from April to October, the temperature difference between day and night, and the mean annual temperature.  The regression equation showed that the optimum meteorological factors on fruit quality were the mean annual temperature of 5.5–18°C and the annual total precipitation of 602–1 121 mm for the whole year, and the mean temperature of 13.3–19.6°C, the minimum temperature of 7.8–18.5°C, the maximum temperature of 19.5°C, the temperature difference of 13.7°C between day and night, the total precipitation of 227 mm, the relative humidity of 57.5–84.0%, and the sunshine percentage of 36.5–70.0% during the growing period (from April to October).
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3. Dwarfing apple rootstock responses to elevated temperatures: A study on plant physiological features and transcription level of related genes
ZHOU Bei-bei, SUN Jian, LIU Song-zhong, JIN Wan-mei, ZHANG Qiang, WEI Qin-ping
Journal of Integrative Agriculture    2016, 15 (05): 1025-1033.   DOI: 10.1016/S2095-3119(15)61298-9
摘要1247)      PDF    收藏
  The aim of this study was to investigate the impact of heat stress on physiological features, together with endogenous hormones and the transcription level of related genes, to estimate the heat resistance ability and stress injury mechanism of different dwarfig apple rootstocks. Among the six rootstocks, the rootstocks of native Shao series (SH series) showed better heat stress resistance than those of Budagovski 9 (B9), Cornell-Geneva 24 (CG24), and Malling 26 (M26) from abroad. Among SH series rootstocks, SH1 and SH6 showed higher heat stress resistance than SH40. M26 demonstrated the lowest adaption ability to heat stress, showing higher leaf conductivity and lower liquid water content (LWC) with the increase in temperature. Heat stress also resulted in the suppression of photosynthesis, which showed no signifiant restoration after 7-day recovery. It should be noted that although a higher temperature led to a lower LWC and photosynthetic effiiency (Pn ) of CG24, there was no signifiant increase in leaf conductivity, and 7 days after the treatment, the Pn of CG24 recovered. The extremely high temperature tolerance of SH series rootstocks could be related to the greater osmotic adjustment (OA), which was reflcted by smaller reductions in leaf relative water content (RWC) and higher turgor potentials and leaf gas exchange compared with the other rootstocks. Determination of hormones indicated multivariate regulation, and it is presumed that a relatively stable expression levels of functional genes under high-temperature stress is necessary for heat stress resistance of rootstocks
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