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桿狀DNA病毒屬
来自维基百科，自由的百科全书
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桿狀DNA病毒屬（學名：Badnavirus）是一種病毒屬，屬於反轉錄病毒目花椰菜花葉病毒科。植物作為天然宿主。該屬有67種。與該屬相關的疾病包括：CSSV：葉萎黃病、根壞死、幼葉中的紅色脈帶、小斑點豆莢和莖/根腫脹，隨後枯死。感染會在一年內使產量降低25%，在兩年內降低50%，並且通常會在3到4年內殺死樹木。[1][2]
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分類學
下列為被認可的物種：[3]
- 亮絲草桿狀病毒 Aglaonema bacilliform virus
- 香蕉線條GF病毒 Banana streak GF virus
- 香蕉線條IM病毒 Banana streak IM virus
- 香蕉線條MY病毒 Banana streak MY virus
- 香蕉線條OL病毒 Banana streak OL virus
- 香蕉線條UA病毒 Banana streak UA virus
- 香蕉線條UI病毒 Banana streak UI virus
- 香蕉線條UL病毒 Banana streak UL virus
- 香蕉線條UM病毒 Banana streak UM virus
- 香蕉線條VN病毒 Banana streak VN virus
- Birch leafroll-associated virus
- Blackberry virus F
- Bougainvillea chlorotic vein banding virus
- 可可樹桿狀斯里蘭卡病毒 Cacao bacilliform Sri Lanka virus
- Cacao mild mosaic virus
- 可可樹腫枝病毒 Cacao swollen shoot virus
- 可可樹腫枝CD病毒 Cacao swollen shoot CD virus
- 可可樹腫枝CE病毒 Cacao swollen shoot CE virus
- 可可樹腫枝加納M病毒 Cacao swollen shoot Ghana M virus
- 可可樹腫枝加納N病毒 Cacao swollen shoot Ghana N virus
- 可可樹腫枝加納Q病毒 Cacao swollen shoot Ghana Q virus
- 可可樹腫枝多哥A病毒 Cacao swollen shoot Togo A virus
- 可可樹腫枝多哥B病毒 Cacao swollen shoot Togo B virus
- Cacao yellow vein banding virus
- Camellia lemon glow virus
- Canna yellow mottle associated virus
- 美人蕉黃斑駁病毒 Canna yellow mottle virus
- 柑橘黃花葉病毒 Citrus yellow mosaic virus
- Codonopsis vein clearing virus
- 鴨跖草黃斑駁病毒 Commelina yellow mottle virus
- Cycad leaf necrosis virus
- 薯蕷桿狀AL病毒 Dioscorea bacilliform AL virus
- 薯蕷桿狀AL病毒2 Dioscorea bacilliform AL virus 2
- 薯蕷桿狀RT病毒1 Dioscorea bacilliform RT virus 1
- 薯蕷桿狀RT病毒2 Dioscorea bacilliform RT virus 2
- 薯蕷桿狀RT病毒3 Dioscorea bacilliform RT virus 3
- 薯蕷桿狀SN病毒 Dioscorea bacilliform SN virus
- 薯蕷桿狀TR病毒 Dioscorea bacilliform TR virus
- Dracaena mottle virus
- Epiphyllum mottle-associated virus
- Fig badnavirus 1
- Gooseberry vein banding associated virus
- Grapevine badnavirus 1
- Grapevine Roditis leaf discoloration-associated virus
- Grapevine vein clearing virus
- Green Sichuan pepper vein clearing-associated virus
- Ivy ringspot-associated virus
- Jujube mosaic-associated virus
- 伽藍菜頂端斑點病毒 Kalanchoe top-spotting virus
- Mulberry badnavirus 1
- Pagoda yellow mosaic associated virus
- 菠蘿桿狀CO病毒 Pineapple bacilliform CO virus
- 菠蘿桿狀ER病毒 Pineapple bacilliform ER virus
- 胡椒黃斑駁病毒 Piper yellow mottle virus
- Polyscias mosaic virus
- Rubus yellow net virus
- 鵝掌柴環斑病毒 Schefflera ringspot virus
- Spiraea yellow leafspot virus
- 甘蔗桿狀瓜德羅普D病毒 Sugarcane bacilliform Guadeloupe A virus
- 甘蔗桿狀瓜德羅普A病毒 Sugarcane bacilliform Guadeloupe D virus
- 甘蔗桿狀IM病毒 Sugarcane bacilliform IM virus
- 甘蔗桿狀MO病毒 Sugarcane bacilliform MO virus
- Sweet potato pakakuy virus
- 芋桿狀CH病毒 Taro bacilliform CH virus
- 芋桿狀病毒 Taro bacilliform virus
- Wisteria badnavirus 1
- Yacon necrotic mottle virus
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結構
桿狀DNA病毒中的病毒是無包膜的，具有桿狀幾何形狀。這些病毒大約 30 nm 寬和 90-900 nm 長。基因組是圓形的和非分段的。[1]
生命周期
病毒複製是核/細胞質。進入宿主細胞是通過病毒蛋白附著在宿主受體上來實現的，宿主受體介導內吞作用。複製遵循 dsDNA(RT)複製模型。 DNA模板轉錄，特別是dsDNA-RT轉錄是轉錄方法。病毒通過核孔出口和小管引導的病毒運動離開宿主細胞。植物作為天然宿主。該病毒通過載體（csv：粉蚧）傳播。傳播途徑是媒介傳播、機械傳播和種子傳播。[1]
參考文獻
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