Potential distribution of wild Camellia oleifera based on ecological niche modeling

Tang

et al. 2018

Forests

Oil tea Camellia, as a major cash and oil crop, has a high status in the forestry cultivation systems in China. To meet the current market demand for oil tea Camellia, its potential distribution and suitable soil condition was researched, to instruct its cultivation and popularization. The potential distribution of oil tea Camellia in China was predicted by the maximum entropy model, using global environmental and soil databases. Then, we collected 10-year literature data about oil tea Camellia soil and applied multiple imputation and factor modeling for an in-depth analysis of soil suitability for growing of oil tea Camellia. The prediction indicated that oil tea Camellia was mainly distributed in Hunan, Jiangxi, Zhejiang, Hainan, East Hubei, Southwest Anhui and most of Guangdong. Climatic factors were more influential than soil factors. The minimum temperature of the coldest month, mean temperature of the coldest quarter and annual precipitation were the most significant contributors to the habitat suitability distribution. In the cultivated area of oil tea Camellia, soil fertility was poor, organic matter was the most significant factor for the soil conditions. Based on climatic and soil factor analyses, our data suggest there is a great potential to spread the oil tea Camellia cultivation industry.

Section: Comparison Of the Potential Distribution And Previous Predicmentioning

confidence: 99%

Section: Comparison Of the Potential Distribution And Previous Predicmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Predicting Potential Distribution and Evaluating Suitable Soil Condition of Oil Tea Camellia in China

Liu

Tang

et al. 2018

Forests

“…Oil extracted from the seeds of oil tea is comparable to olive oil (Olea europaea L.). Oil tea is widely distributed between the northern latitudes of 32 • 57 and 11 • 17 in China [1]. Suitable climates for the growth of oil tea are generally mild, receive sufficient sunshine and rain, and have short or no ice periods.…”

Section: Introductionmentioning

confidence: 99%

Transcriptome Analysis of Colletotrichum fructicola Infecting Camellia oleifera Indicates That Two Distinct Geographical Fungi Groups Have Different Destructive Proliferation Capacities Related to Purine Metabolism

Tan

Zhou

et al. 2021

Plants

Anthracnose, caused by Colletotrichum spp., is a significant disease affecting oil tea (Camellia oleifera Abel.). Extensive molecular studies have demonstrated that Colletotrichum fructicola is the dominant pathogen of oil tea anthracnose in China. This study aims to investigate differences in molecular processes and regulatory genes at a late stage of infection of C. fructicola, to aid in understanding differences in pathogenic mechanisms of C. fructicola of different geographic populations. We compared the pathogenicity of C. fructicola from different populations (Wuzhishan, Hainan province, and Shaoyang, Hunan province) and gene expression of representative strains of the two populations before and after inoculation in oil tea using RNA sequencing. The results revealed that C. fructicola from Wuzhishan has a more vital ability to impact oil tea leaf tissue. Following infection with oil tea leaves, up-regulated genes in the strains from two geographic populations were associated with galactosidase activity, glutamine family amino acid metabolism, arginine, and proline metabolism. Additionally, up-regulated gene lists associated with infection by Wuzhishan strains were significantly enriched in purine metabolism pathways, while Shaoyang strains were not. These results indicate that more transcriptional and translational activity and the greater regulation of the purine metabolism pathway in the C. fructicola of the Wuzhishan strain might contribute to its stronger pathogenicity.

“…Oil extracted from the seeds of oil tea is comparable to olive (Olea europaea) oil. Oil tea is widely distributed between the northern latitudes of 32°57' and 11°17' in China (Cui, X. et al, 2016). Suitable climates for growth of oil tea are generally mild, receive sufficient sunshine and rain, and have short or no ice periods, therefore occurrence of disease and damage due to insect pests are frequent (Zhou, W. et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

Transcriptional Analysis ofColletotrichum fructicolafrom Different Geographic Regions Inoculated toCamellia oleifera

Tan

Zhou

et al. 2020

Preprint

Anthracnose, caused by Colletotrichum. Spp., is an important disease affecting oil tea (Camellia oleifera), where infection can cause reductions in yield and oil quality. In recent years, extensive molecular studies have demonstrated that Colletotrichum fructicola is the dominant pathogen of oil tea anthracnose in China. To investigate differences in molecular processes and regulatory genes at different stages of infection of C. fructicola, we compared the pathogenicity of C. fructicola from different populations(Wuzhishan, Hainan province and Shaoyang, Hunan province),and gene expression of representative strains of the two populations before and after infection with Camellia oleifera using RNA sequencing. We found that C. fructicola from Wuzhishan has a stronger ability to infect and impact oil tea leaf tissue. Up-regulated genes in oil tea following infection with the two geographic populations were associated with a number of ribosome-related GO and KEGG pathways, and were significantly enriched in galactosidase activity, glutamine family amino acid metabolism, arginine and proline metabolism. These results indicate that C. fructicola obtained sugars and amino acids from oil tea tissue to resist host immune pressure. Up-regulated gene lists associated with infection by the Wuzhishan strains were significantly enriched in ribosome-related metabolic pathways as well as purine metabolism pathways, while Shaoyang strains were not significantly enriched in these processes. Differences in gene expression were indicative of greater active transcription and translation in oil tea infected with the Wuzhishan population while more active glycoprotein metabolism was observed following inoculation with strains from Shaoyang. The greater regulation of purine metabolism pathway in oil tea inoculated with the Wuzhishan strain might contribute to its stronger pathogenicity. The results of this study will aide in understanding differences in pathogenic mechanisms of C. fructicola of different geographic populations.