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{
    "pk": 41337,
    "title": "Genome-wide Expression Profiling in Ponkan Infected by Candidatus Liberibacter asiaticus",
    "subtitle": null,
    "abstract": "Huanglongbing (HLB) is an economical and destructive disease of citrus in South China, such as in Guangdong, Guangxi that is caused by the bacterium\n Candidatus\n Liberibacter asiaticus. The interaction at mRNA level between pathogen and citrus (Ponkan, \nCitrus reticulata\n Blanco ) was primarily researched by Digital Gene Expression Tag Profiling. Ponkan leaves at 13 weeks and 26 weeks after HLB inoculation were used for analysis. The numbers of up-regulated genes were increased from 37% in 13 wpi (weeks post inoculation) to 64% in 26 wpi. The differentially expressed genes (DEGs) fold change increased more than 8 times from 16.7% to 87.3%. Gene ontology (GO) process molecular function enrichment analysis showed that the DEGs with oxidation reduction function increased from 4.41% to 8.48% and that DEGs responsive to stresses increased from 1.10% to 2.08%, but those related to defense responses decreased from 0.74% to 0.64%. However, those related to defense responses of down-regulated genes increased from 0.55% to 0.79%. Apparently, the expression level of resistance genes strengthened, while the defense ability of host declined along with enhanced stresses caused by HLB infection. Photosynthesis-related genes were down-regulated at both 13 wpi and 26 wpi, which indicated that HLB infection greatly reduced the citrus photosynthesis, perhaps via feedback regulation of the accumulated starches resulted from blockage of sieve tubes by the bacteria in the phloem tissue. RIN4,a negative regulator of plant immunity, was also found up-regulated by approximately 9-fold.",
    "language": "en",
    "license": {
        "name": "Creative Commons Attribution 4.0",
        "short_name": "CC BY 4.0",
        "text": "Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.\n\nNo additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.",
        "url": "https://creativecommons.org/licenses/by/4.0"
    },
    "keywords": [],
    "section": "Abstracts of Presentations at the 3rd International Research Conference on Huanglongbing",
    "is_remote": true,
    "remote_url": "https://escholarship.org/uc/item/1k0036p1",
    "frozenauthors": [
        {
            "first_name": "Bo",
            "middle_name": "",
            "last_name": "Jiang",
            "name_suffix": "",
            "institution": "Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture, Institute of Fruit Tree Research, Guangdong Academy of Agricultural Science, Guangzhou 510640, China",
            "department": "None"
        },
        {
            "first_name": "Yun",
            "middle_name": "",
            "last_name": "Zhong",
            "name_suffix": "",
            "institution": "Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture, Institute of Fruit Tree Research, Guangdong Academy of Agricultural Science, Guangzhou 510640, China",
            "department": "None"
        },
        {
            "first_name": "Chunzhen",
            "middle_name": "",
            "last_name": "Cheng",
            "name_suffix": "",
            "institution": "Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture, Institute of Fruit Tree Research, Guangdong Academy of Agricultural Science, Guangzhou 510640, China",
            "department": "None"
        },
        {
            "first_name": "Jiwu",
            "middle_name": "",
            "last_name": "Zeng",
            "name_suffix": "",
            "institution": "Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture, Institute of Fruit Tree Research, Guangdong Academy of Agricultural Science, Guangzhou 510640, China",
            "department": "None"
        },
        {
            "first_name": "Guangyan",
            "middle_name": "",
            "last_name": "Zhong",
            "name_suffix": "",
            "institution": "Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture, Institute of Fruit Tree Research, Guangdong Academy of Agricultural Science, Guangzhou 510640, China",
            "department": "None"
        },
        {
            "first_name": "Ganjun",
            "middle_name": "",
            "last_name": "Yi",
            "name_suffix": "",
            "institution": "Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture, Institute of Fruit Tree Research, Guangdong Academy of Agricultural Science, Guangzhou 510640, China",
            "department": "None"
        }
    ],
    "date_submitted": "2014-12-18T19:16:37-05:00",
    "date_accepted": "2014-12-18T19:16:37-05:00",
    "date_published": "2013-12-31T19:00:00-05:00",
    "render_galley": null,
    "galleys": [
        {
            "label": "",
            "type": "pdf",
            "path": "https://journalpub.escholarship.org/iocv_journalcitruspathology/article/41337/galley/30936/download/"
        }
    ]
}