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Transcript
第 4 章 消化管寄生虫の寄生状況
➨ 㸲 ❶ ᾘ⟶ᐤ⏕ࡢᐤ⏕≧ἣ せ Ⅼ ࣭ රᗜ┴ୗ㸵ᕷ⏫࡛᭷ᐖᤕ⋓ࡲࡓࡣ㏻ᨾṚࡋࡓࣛࢢ࣐ 㢌ࡢ⬚⭍࠾ࡼࡧ ⭡⭍⮚ჾࡘ࠸࡚ࠊ⽸ࢆᑐ㇟ࡋࡓᐤ⏕᳨ᰝࢆ⾜ࡗࡓࠋ ࣭ ᐤ⏕ࡣᑠ⭠ࡽࡢࡳ᳨ฟࡉࢀࠊఱࡽࡢᐤ⏕ࢆぢ࠸ࡔࡋࡓࣛࢢ࣐ࡣ 㢌 㸦㢌ࡢ 㸣㸧࡛࠶ࡗࡓࠋࡲࡓࠊయ㔜 NJ ࡼࡾࡁࡃࠊ㣗㣵ࢆ㏻ࡋ࡚ឤᰁᶵࡢ ࠶ࡿⓎ⫱ಶయ 㢌㝈ࢀࡤࠊ㸣㸦 㢌㸧ࡢ᳨ฟ⋡࡛࠶ࡗࡓࠋ ࣭ ᳨ฟࡋࡓᐤ⏕ࡣ ✀࡛࠶ࡗࡓࡀࠊࡑࡢࢇࡣ᪻㸫୧⏕㢮ࠊ∐㢮ࢆ㣗㣵 ࡍࡿࡇ୍࡛㐣ᛶ᳨ฟࡉࢀࡿ⽸࡛࠶ࡗࡓࠋࡍ࡞ࢃࡕࠊ㔝㫽ᐤ⏕ᛶࡢ㖋㢌ᗂ ⱝ ✀ࠊ㔝㫽ᐤ⏕ᛶࡢ⺳㢮ࡸ᪕ᑿ⥺㢮ࡢᗂ㸲✀ࡀ༙ࢆ༨ࡵࠊࢱࢾ࢟࡞ ᅾ᮶㔝⏕ື≀ᐤ⏕ᛶࡢ ✀ࡢᅵተ፹⥺࡞ࡢᐤ⏕ࡀ⛥☜ㄆࡉࢀࡓࠋ ࣭ බ⾗⾨⏕ୖ࠾ࡼࡧᅾ᮶㔝⏕ື≀ࡢ᳇ᜥ⎔ቃಖㆤ࠾࠸࡚ࡁ࡞ၥ㢟࡞ࡿࣛ ࢢ࣐⺳ࡣ᳨ฟࡉࢀ࡞ࡗࡓࠋ ࣭ 㔝⏕ࣛࢢ࣐ࡢᐤ⏕᳨ᰝࡢᚲせᛶࡘ࠸࡚≉ㄽࡌࡓࠋ 㸬ࡣࡌࡵ ⡿㝣ࢆཎ⏘ᆅࡍࡿࣛࢢ࣐Procyon lotor ࡀᅜෆྛᆅ࡛㔝⏕ࡋࠊࡁ࡞ ♫ၥ㢟࡞ࡗ࡚࠸ࡿ>@ࠋࡇࡢእ᮶✀ࡢᅜෆ࡛ࡢಶయᩘቑຍࡸศᕸᣑࡣࠊ᪥ ᮏิᓥࡢᆅ⌮Ꮫⓗᙧᡂྐࡢ୰࡛ᙧ࡙ࡃࡽࢀ࡚ࡁࡓᅛ᭷ࡢື≀⏕ែ⣔ࡢ◚ቯࢆᘬࡁ㉳ࡇ ࡍࡇࡀᮏ㉁ⓗ࡞ၥ㢟࡛ࡣ࠶ࡿࡀࠊ⌧௦ࡢ⚾ࡓࡕࡢ᪥ᖖ⏕ά࠼ࡿᙳ㡪ࡶ┳㐣࡛ࡁ࡞ ࠸ࠋ㎰ᒣᮧ㒊࡛ࡣ㎰స≀⿕ᐖࡋ࡚ࡁ࡞ᦆኻࢆࡶࡓࡽࡋࠊᕷ⾤ᆅ࡛ࡣఫᒃධ➼ࡀ㢖 ⦾㉳ࡇࡗ࡚࠸ࡿࠋ᭦ࠊࡇࡢࡼ࠺࡞㌟㏆࡞ၥ㢟Ṇࡲࡽࡎࠊࣛࢢ࣐ࡢቑຍࡣ⚾ࡓ ࡕࡢᮍ᮶₯ᅾⓗ࡞⬣ጾࢆ࠼ࡘࡘ࠶ࡿࡶࡋࢀ࡞࠸ࠋࣛࢢ࣐ࡼࡿ┤᥋ⓗ࡞ື≀ ⏕ែ⣔ࡢᙳ㡪ࡘ࠸࡚ࡣࡇࡇ࡛ࡣㄽࡌ࡞࠸ࠋࡇࢀࡲ࡛ࡢࡇࢁ࡛ࡣࠊᅜෆࡢ㔝⏕ࣛ ࢢ࣐ࡀཎᅉ࡞ࡗࡓឤᰁࡢὶ⾜ࡣ☜ㄆࡉࢀ࡚࠸࡞࠸ࡀࠊ࢟ࢶࢿ࣭ࢱࢾ࢟࡞ᅾ᮶㔝 ⏕ື≀ࡢ㔛ᒣᯘ࡞ࡢ᳃ᯘࢥࣥࣃࢽ࢜ࣥື≀ࡢ㣫⫱ࡉࢀࡿᕷ⾤ᆅ࣭ఫᏯᆅࢆ⮬⏤ ᮶ࡍࡿࣛࢢ࣐ࡣࠊ≉␗࡞⏕ែᏛⓗ⨨ࢆ༨ࡵࡿࡇ࡛ࠊᚑ᮶ᅜෆ࡛ࡣヱᙜࡢ࡞ࡗ ࡓឤᰁ፹⪅࡞ࡾᚓࡿྍ⬟ᛶࡀ࠶ࡿࠋࣛࢢ࣐ࡀ፹ࡍࡿឤᰁࡀࠊᅾ᮶㔝⏕ື ≀ࡸ⚾ࡓࡕ࠶ࡿ࠸ࡣࡑࡢ࿘㎶ື≀ࡁ࡞ၥ㢟ࢆᘬࡁ㉳ࡇࡍྍ⬟ᛶࡣ⪃࠼࡚࠾ࡃࡁ ʵɹɹʵ ࡇ࡛࠶ࢁ࠺ࠋ ࣛࢢ࣐ཎ⏘ᆅ࡛࠶ࡿ⡿㝣࡛ࡣࠊࣛࢢ࣐⺳ᗂ⛣⾜ࡢᗂඣࡢሗ࿌ ࡀ᭱㏆࡞ࡗ࡚┦ḟ࠸࡛࠸ࡿ>@ࠋື≀ࡣࡑࢀࡒࢀᅛ᭷ࡢ⺳ࢆࡶࡕࠊ ⚾ࡓࡕࡢ㣫⫱ࡍࡿ≟࡛ࡣࢾ⺳7R[RFDUDFDQLVࡢᐤ⏕ࡀ࠶ࡿࡀࠊࡇࡢ༸ࡣ⚾ࡓࡕ ࡢཱྀධࡿࠊ⫢⮚⅖ࢆᘬࡁ㉳ࡇࡋ࡚ᛰឤࡢཎᅉ࡞ࡗࡓࡾࠊ║⌫ධࡋ࡚ど ຊ㞀ᐖࢆᘬࡁ㉳ࡇࡍ>@ࠋࡇࡢࢾ⺳ࡀཎᅉ࡞ࡿᗂ⛣⾜ࡣࠕࢺ࢟ࢯ ࢝ࣛࠖࡤࢀࠊබᅬ◁ሙࡢⅆ⅖ᾘẘ࠸ࡗࡓၨⓎάືࢆ㏻ࡋ࡚ࠊ୍⯡ࡶᗈࡃ▱ࡽ ࢀࡿࡼ࠺࡞ࡗ࡚ࡁࡓࠋྠࡌࡼ࠺ࠊࣛࢢ࣐ࡣࣛࢢ࣐⺳Baylisascaris procyonisࡀឤᰁࡋ࡚࠸࡚ࠊேࢆྵࡵࡓከࡃࡢື≀㸦့ங㢮ࡸ㫽㢮࡞ࠊࡇࢀࡲ࡛☜ ㄆࡉࢀࡓࡔࡅ࡛ ✀௨ୖ㸧ᗂ⛣⾜ࢆᘬࡁ㉳ࡇࡍ>@ࠋణࡋࠊࣛࢢ࣐⺳ ᗂ⛣⾜࡛ࡣࠊ⬻ࡸ║⌫ᗂࡀධࡋࡸࡍࡃࠊ⃭ࡋ࠸⚄⤒≧ࡀᘬࡁ㉳ࡇࡉࢀࡿࠋ ⫢⮚㐪࠸ࠊ⬻ࡣ୍ᗘ◚ቯࡉࢀࡿಟࡉࢀࡎࠊ⒪⸆ࢆᢞࡋ࡚ࡶࡁ࡞ᚋ㑇ࡀṧ ࡿ>@ࠋ ᅜෆ㍺ධࡉࢀ࡚ࡁࡓࣛࢢ࣐ࡘ࠸࡚ ᖺ௦ึ㢌ㄪࡓሗ࿌࡛ࡣࠊ୍⯡ᐙᗞ ࣌ࢵࢺࡋ࡚ධࡗࡓಶయࡢ 㸣ࡀࡇࡢ༴㝤࡞⺳ࢆࡶࡗ࡚࠸ࡓࡉࢀ࡚࠸ࡿ>@ࠋື ≀ᒎ♧タࡽࡢ⬺㉮ಶయࡸ࣌ࢵࢺࡋ࡚㣫⫱ࡉࢀ࡚࠸ࡓಶయࡀ㉳※࡞ࡗࡓ㔝⏕ ࣛࢢ࣐࡛࠶ࡿࡀࠊࡇࢀࡲ࡛⾜ࢃࢀࡓᾏ㐨ࠊ⚄ዉᕝࠊឡ▱ࠊḷᒣྛ┴ࡢ㔝እㄪ ᰝ࡛ࡣࠊࣛࢢ࣐⺳ࡀ᳨ฟࡉࢀࡓࡇࡣ࡞࠸>@ࠋࡋࡋ࡞ࡀࡽࠊ ᅜෆື≀ᅬࡢ࢘ࢧࢠࢥࣟࢽ࣮ࡸࢧࣝࢥࣟࢽ࣮࡛ᮏ⺳ཎᅉࡍࡿᗂ⛣⾜ࡀ᭱㏆ሗ ࿌ࡉࢀ࡚࠾ࡾ>@ࠊ㔝⏕ࣛࢢ࣐࡛ࡶ㆙ᡄࡀᚲせ࡛࠶ࡿࠋࡇࢀࡲ࡛ࡢ 㔝እㄪᰝࡔࡅ࡛ࡣᏳᚰ࡛ࡁ࡞࠸⌮⏤ࡘ࠸࡚ࡣᚋ㏙ࡍࡿࡀࠊᅜෆྛᆅ࡛⾜ࢃࢀ࡚࠸ࡿ ࣛࢢ࣐ᤕ⋓ᴗ࠾࠸࡚ࡣࠊࡑࢀࡒࢀࡢᆅᇦ༢࡛ᙜศࡢ㛫⥅⥆ࡋࡓㄪᰝࡀ⾜ࢃࢀࡿ ࡇࡀᮃࡲࡋࡃࠊࡇࡢࡇࡀࠊᅜྛᆅ࡛㔝⏕ࡍࡿࣛࢢ࣐ࡇࡢ༴㝤࡞⺳ࢆᣑ ᩓࡉࡏ࡞࠸ດຊ࡞ࡿࠋእ᮶✀ࣛࢢ࣐ࢆᅜෆᐃ╔ࡉࡏ࡚ࡋࡲࡗࡓ⚾ࡓࡕࡢୡ௦ࡢ ㈐௵ࡋ࡚ࠊࡏࡵ࡚ࠊᗂඣ㔜⠜࡞⬻⅖ࢆᘬࡁ㉳ࡇࡍឤᰁࡢᅜෆᐃ╔ࡔࡅࡣ㑊ࡅࡓ࠸ ࡇࢁ࡛࠶ࡿࠋࡲࡓࠊ⺳ࡀᐃ╔ࡋࡓሙྜࡣᅾ᮶㔝⏕ᑠື≀ࡀཷࡅࡿᡴᧁࡶࡁ࠸ࠋ ࡇࡢឤᰁᐃ╔ࡣࡇࡇᩘᖺࡢᅜⓗດຊ࡛㜵ࡆࡿࡼ࠺ᛮࢃࢀࡿ>@ࠋ ௨ୖࡢ⫼ᬒࡢୗࠊරᗜ┴ୗ ᕷ⏫࡛ᤕ⋓ࡉࢀࡓࣛࢢ࣐ 㢌ࡘ࠸࡚ᾘ⟶ᐤ⏕ ࡢㄪᰝࢆᐇࡋࡓࠋ 㸬ᮦᩱ᪉ἲ ᐤ⏕᳨ᰝ౪ヨࡋࡓࣛࢢ࣐ࡣࠊ⚄ᡞᕷ༊㸦 㢌㸧ࠊ⚄ᡞᕷℿ༊㸦 㢌㸧 ࠊ୕ᮌ ᕷྜྷᕝ⏫㸦 㢌㸧ࠊ୕⏣ᕷ㸦 㢌㸧 ࠊ⠛ᒣᕷ㸦 㢌㸧 ࠊすᐑᕷ㸦 㢌㸧 ࠊຍྂᕝᕷ㸦 㢌㸧ࠊ ᕷᕝ⏫㸦 㢌㸧࡛᭷ᐖᤕ⋓ࡉࢀࡓィ 㢌࡛࠶ࡿࠋ 㢌ࡢ㏻ᨾṚಶయࢆྵࡴࡀࠊࡑ ʵɹɹʵ ࡢࡣ⟽࣡ࢼ࡚ᤕ⋓ࡋࡓࡢࡕࠊே㐨ⓗ᪉ἲ࡚ᏳᴦṚࡉࢀࡓࡶࡢ࡛࠶ࡿࠋ ᅇࡢ᳨ᰝ౪ࡋࡓࣛࢢ࣐ࡢᤕ⋓᭶ࠊయ㔜ࠊᛶูࡢᮦᩱ≧ἣࢆ⾲㸯♧ࡋࡓࠋᮦ ᩱࡢከࡃࡀ ᭶㸦 㢌㸧 ᭶㸦 㢌㸧㞟ࡉࢀࠊ᳨ᰝࡋࡓࣛࢢ࣐ࡢᤕ⋓᭶ ࡣࡁ࡞೫ࡾࡀ࠶ࡗࡓࠋࡲࡓࠊయ㔜 NJ ࡢ⏕ᚋ㛫ࡶ࡞࠸ಶయࡀ 㢌ྵࡲࢀ࡚࠸ࡿࡀࠊ ࡑࡢ࠺ࡕࡢ 㢌ࡣ༢⊂࠶ࡿ࠸ࡣ 㹼 㢌༢࡛ᤕ⋓ࡉࢀࡓࡶࡢ࡛࠶ࡗࡓࠋ ⾲㸯㸬ᐤ⏕᳨ᰝ౪ヨࣛࢢ࣐ࡢᤕ⋓≧ἣᴫせ㸦ᤕ⋓᭶ࠊయ㔜ࠊᛶู㸧 య㔜 ᛶู ᭶ ᑠィ 㻝 㻞 㻟 㻠 㻡 㻢 㻣 㻤 㻥 㻝㻜 㻝㻝 㻝㻞 䍸㻞㼗㼓 䗠 䗢 㻜 㻜 㻜 㻜 㻜 㻜 㻜 㻜 㻝㻜 㻞㻞 㻟 㻟 㻝 㻜 㻜 㻜 㻜 㻜 㻜 㻜 㻜 㻜 㻜 㻜 㻝㻠 㻞㻡 㻞㻨㻌㻙㻌䍸㻠㼗㼓 䗠 䗢 㻜 㻜 㻜 㻜 㻜 㻜 㻞 㻜 㻝 㻝 㻜 㻞 㻜 㻜 㻜 㻜 㻜 㻜 㻝 㻝 㻝 㻜 㻜 㻜 㻡 㻠 㻠㻨㻌㻙㻌䍸㻢㼗㼓 䗠 䗢 㻜 㻝 㻜 㻜 㻟 㻝 㻝㻜 㻝㻠 㻤 㻝㻜 㻟 㻜 㻜 㻜 㻜 㻜 㻜 㻜 㻝 㻝 㻝 㻜 㻝 㻜 㻟㻟 㻞㻝 㻢㼗㼓㻨 䗠 䗢 㻜 㻜 㻞 㻞 㻟 㻠 㻞 㻡 㻝㻜 㻝㻠 㻝 㻝 㻜 㻜 㻜 㻜 㻜 㻜 㻜 㻜 㻜 㻝 㻜 㻝 㻝㻤 㻞㻤 グ㘓䛺䛧 䗠 䗢 㻜 㻜 㻜 㻜 㻜 㻞 㻝 㻝 㻜 㻞 㻝 㻜 㻜 㻜 㻜 㻜 㻜 㻜 㻜 㻜 㻝 㻜 㻜 㻜 㻟 㻡 㻝 㻠 㻝㻟 㻞㻥 㻤㻠 㻝㻠 㻝 㻜 㻜 㻠 㻠 㻞 㻝㻡㻢 ᭶ูᑠィ ᐤ⏕᳨ᰝ࡛ࡣࠊゎᚋࡢ⮚ჾࡘ࠸࡚⫗║ⓗ࡞᳨ᰝࢆ⾜࠸ࠊศ㞳ࡋࡓᾘ⟶ࡣỈ㐨 Ỉࢆධࢀࡓᐜჾࡢ୰࡛⦪᪉ྥ㛤ࡁࠊࢢ࣮ࣟࣈࢆࡣࡵࡓᡭ࡛ᑀ⢓⭷㠃ࢆ᧿㐣ࡋࡓࠋ ୖΎࡀΎ࡞ࡿࡲ࡛Ỉ㐨Ỉࢆ⏝࠸ࡓ⡆᫆ỿ⃦ࢆ⧞ࡾ㏉ࡋࠊ୰ᆺࢩ࣮ࣕࣞỿ⃦≀ࢆྲྀ ࡾࠊᐇయ㢧ᚤ㙾ୗ࡛ᐤ⏕ࡢ᳨ฟࢆ⾜ࡗࡓࠋᅇࡋࡓᐤ⏕ࡣࠊࡑࡢᚋࠊᚲせᛂࡌග Ꮫ㢧ᚤ㙾ୗ࡛ほᐹࢆ⾜࠺ࡶࠊィ ࡀᚲせ࡞ሙྜࡣ┤᥋᥋║࣓࣮ࢱ࣮ࢆ⏝࠸࡚ࠊ ࠶ࡿ࠸ࡣࠊᥥ⨨࡚ᅗᘧࡋࠊࡑࡢ⣬ୖ࡛ィ ࢆ⾜ࡗࡓࠋ௨ୖࡢࡼ࠺ࠊᅇࡢ᳨ ᰝ࡛ࡣᐤ⏕⽸᳨ฟ║ࢆ࠾ࡁࠊᐤ⏕ཎࡘ࠸࡚ࡣᚋࡢ᳨ウㄢ㢟ࡋࡓࠋ 㸬⤖ᯝ ᐤ⏕᳨ᰝࡣࠊ⫵ࡸᚰ⮚࡞⬚㒊ㅖ⮚ჾࠊ⫢⮚ࡸ⮅⮚ࠊ⭈⮚ࡘ࠸࡚ࡶᐇࡋࡓࡀࠊ ᐤ⏕ࡢ᳨ฟࡣᑠ⭠㝈ࡽࢀࡓࠋ⫶ࡽࡶᐤ⏕ࡢ᳨ฟࡣ࡞ࡗࡓࠋయ㔜ࢡࣛࢫูࡢᐤ ⏕᳨ฟ≧ἣࢆ⾲㸰♧ࡋࡓࠋయ㔜 NJ ௨ୗࡢᗂ⋇ 㢌ࡶㄪ࡚࠸ࡿࡀࠊ 㢌ࡢ⭠⟶ ʵɹɹʵ ࡽࡢࡳᐤ⏕ࡀᅇࡉࢀࡓࠋࡇࡢࡇࢆ⪃៖ࡋ࡚ࠊయ㔜 NJ ௨ୗࡢᗂ⋇ 㢌࠾ࡼࡧ య㔜グ㘓ࡢ࡞࠸ 㢌ࢆ㝖እࡋࡓ 㢌ࡘ࠸࡚ᐤ⏕᳨ฟ⋡ࢆィ⟬ࡍࡿࠊ㞤 㸣 㸦 㢌୰ 㢌㸧 ࠊ㞝 㸣㸦 㢌୰ 㢌㸧࡛࠶ࡗࡓࠋࡇࡢ 㢌ࡢᤕ⋓ᆅูࡢᐤ⏕ ᳨ฟ⋡ࡣࠊ⚄ᡞᕷࡀ 㸣㸦 㢌୰ 㢌㸧ࠊ୕ᮌᕷࡀ 㸣㸦 㢌୰ 㢌㸧 ࠊ⠛ᒣ ᕷࡀ 㸣㸦 㢌୰ 㢌㸧 ࠊࡑࡢࡀ 㸣㸦 㢌୰ 㢌㸧࡛࠶ࡗࡓࠋ 㸯ಶయ࠶ࡓࡾࡽ᳨ฟࡉࢀࡓᐤ⏕ࡢ✀ᩘ࡛࠶ࡿࡀࠊ ✀㸦 㢌㸧 ࠊ ✀㸦 㢌㸧 ࠊ ✀ 㸦 㢌㸧ࠊ ✀㸦 㢌㸧࡛࠶ࡾࠊ༢୍✀ࡢ᳨ฟࡀᐤ⏕㝧ᛶಶయࡢ࠺ࡕࡢ 㸣ࢆ༨ࡵ ࡓࠋ ࡲࡓࠊ」ᩘ✀ࡢ᳨ฟࡀ࠶ࡗࡓ 㢌୰ 㢌ࡀ㖋㢌✀ࡔࡅࡢ⤌ࡳྜࢃࡏ᳨ฟ࡛࠶ࡾࠊ ࡢ 㢌ࡀ㖋㢌✀⥺✀ࡢ⤌ࡳྜࢃࡏࠊṧࡾࡢ㸯㢌ࡀ⥺✀྾✀ࡢ⤌ࡳྜࢃࡏ ࡛࠶ࡗࡓࠋ⾲ ࡑࢀࡒࢀࡢᐤ⏕✀ࡢ᳨ฟ≧ἣࡘ࠸࡚ࡣ♧ࡋ࡚࠸ࡿࡀࠊ௨ୗࡑࢀ ࡒࢀࡘ࠸࡚ㄝ᫂ࢆຍ࠼ࡿࠋ ⾲ 㸬㔝⏕ࣛࢢ࣐ࡢయ㔜ࢡࣛࢫ࣭ᛶูࡢᐤ⏕᳨ฟ≧ἣ NJ ᳨ᰝಶయᩘ NJ NJ NJ グ㘓࡞ࡋ ィ NJ ィ ܲ ܴ ܲ ܴ ܲ ܴ ܲ ܴ ܲ ܴ ܲ㸭ܴ ܲ ܴ ܲ㸭ܴ ᐤ⏕᳨ฟಶయᩘ ᳨ฟ⋡ 㖋㢌 3RUURUFKLVRWL 3RUURUFKLV VS 3ODJLRUK\QFKXVRJDWDL &HQWURUK\QFKXVED]DOHQWLFXV 6RXWKZHOLQDKLVSLGD 6WURQJ\ORLGHVUDWWL " 0ROLQHXVOHJHUDH $RQFKRWKHFDSXWRULL $FXDULRLGQHPDWRGHODUYDH &RQWUDFDHFXP VSODUYD 3RUURFDHFXP VSODUYD 8QLGHQWLILHGVSLUXULGODUYD 0HWDJRQLPXVWDNDKDVKLL 8QLGHQWLILHGWLQ\WUHPDWRGH 6SKDHULURVWULVWHUHV ⥺ ྾ ʵɹɹʵ Acanthocephala cystacantha Sphaerirostris teres (= S. lanceoides sensus Sato & Suzuki, 2006) Porrorchis oti (A) Sphaerirostris teres; (B & F) Porrorchis oti; (C) Plagiorhynchus ogatai; (D, G & H) Centrorhynchus , bazalenticus; (E & I) Southwelina hispida; (J) Porrorchis sp. ʵɹɹʵ Strongyloides sp. S. stercoralis /S. procyonis S. ratti Strongyloides sp. Molineus legerae ʵɹɹʵ Molineus legerae Molineus legerae Aoonchotheca putorii Acuarioid nematode larvae teres S. hispida Contracaecum sp. S. teres Acuarioid nematoode ʵɹɹʵ Acuaria Cheilospirura Contracaecum m sp. larvae ʵɹɹʵ Porrocaecum sp. larva a 6 Porrocaecum sp A B Spirurid larva Metagonimus ta akahashii Metagonimus ʵɹɹʵ C P. ogatai P. hispida S. teres P. oti C. bazaleticus ʵɹɹʵ ඹ᭷ࡉࢀࡿᅵተ፹ᛶᐤ⏕ࡢឤᰁ⋡ࡣࡁࢃࡵ࡚ప࠸>@ࠋࡇࡢࢢ࣮ࣝࣉࡣ M. legerae ࡸ A. putorii ࡀヱᙜࡍࡿࡀࠊࡑࢀࡒࢀ 㢌࠾ࡼࡧ 㢌ࡽ᳨ฟࡉࢀࡓ㐣ࡂࡎࠊ ࡲࡓࠊ᳨ฟᩘࡣ࠸ࡎࢀࡢಶయࡽࡶ 㞘࡛࠶ࡗࡓࠋࢻࢪࣙ࢘ࡸࡑࡢࡢῐỈ㨶ࢆࡑࢀࡒ ࢀ୰㛫ᐟࡋ࡚⤒ཱྀឤᰁࡍࡿᲲཱྀ྾㢮ࡸ㧗ᶫ྾ࡀḷᒣ┴ࡢ㔝⏕ࣛࢢ࣐࡛ ࡣ㢖⦾᳨ฟࡉࢀࡓࡀࠊᅇࡣ㸰㢌ࡽࡈࡃᑡᩘࡢ㧗ᶫ྾ࡀᅇࡉࢀࡓࡢࡳ࡛࠶ࡗࡓࠋ ࣛࢢ࣐᳇ᜥ⎔ቃࡢᆅໃᏛⓗ࡞㐪࠸ࢆᫎࡋࠊᅇㄪࡓᆅᇦ࡛ࡣᕝ㨶ࢆ㣗ࡿᶵ ࡀࡁࢃࡵ࡚㝈ࡽࢀࡿࡇࡼࡿࡢ࡛࠶ࢁ࠺ࠋ ḷᒣ┴ୗศᕸࡍࡿ㔝⏕ࣛࢢ࣐࡛ࡣࠊᚑ᮶ᅜෆ࡛ࡣᮍ☜ㄆ࡛࠶ࡗࡓ⫶ Physaloptera sp.ࡸࣛࢢ࣐⣅⥺Strongyloides procyonisࡀ㧗⋡᳨ฟࡉࢀ࡚࠸ ࡿࡑࢀࡒࢀ ᳨࡛ฟ>@ࠋᅇ㞟ࡋࡓࣛࢢ࣐ࡽ⫶ࡣ᳨ฟ ࡉࢀ࡞ࡗࡓࡀࠊḷᒣ┴ୗ࠾࠸࡚ࡶ⫶ࡀ᳨ฟࡉࢀࡿಶయࡢᤕ⋓ᆅⅬࡣ೫ࡾࡀ࠶ ࡾࠊරᗜ┴ୗ࡛ࡲࡗࡓࡃ᳨ฟࡉࢀ࡞࠸ࡇ▩┪ࡣ࡞࠸ࠋࡲࡓࠊࢥ࢜ࣟࢠ࡞ࡀ୰㛫ᐟ ࡋ࡚㔜せ࡛࠶ࡿࡇࡽࠊ᳨ᰝࡢࡓࡵࡢࣛࢢ࣐㞟࠾࠸࡚ᅇࡣᏘ⠇ⓗ࡞೫ ࡾࡀ࠶ࡗࡓࡇࡶ⪃៖ࡉࢀࡿࡁࡶࡋࢀ࡞࠸ࠋࣛࢢ࣐⣅⥺㢮ఝࡋࡓᐤ⏕ࡀࠊ ୕ᮌᕷ࡛ᤕ⋓ࡉࢀࡓ 㢌ࡢᗂ⋇ࡢ࠺ࡕࡢ㸯㢌ࡽ㸯㞘᳨ฟࡉࢀࡓࠋ㸯㞘ࡢᐤ⏕ᮇ㞤ࡢ ᳨ฟ࡛࠶ࡾ☜ᐃデ᩿ࡣ㞴ࡋ࠸ࡀࠊయ㛗ᑐࡍࡿ㣗㐨㛗ẚࡀ⣙ 㸣ࡁ࠸Ⅼࡣ S. ratti ㏆ࡃࠊࡲࡓࠊྠ㞟ࡉࢀࡓྠ⭡ 㢌ឤᰁࡀࡲࡗࡓࡃ☜ㄆ࡛ࡁ࡞ࡗࡓ ࡇࡽࡶࠊ✀ື≀ࢆᅛ᭷ᐟࡍࡿ✀ࡢഅⓎឤᰁ࡛࠶ࡗࡓྍ⬟ᛶࡀ㧗࠸ࠋ BOX1 㔝⏕ࣛࢢ࣐࠾ࡅࡿࣛࢢ࣐⺳ࡢ༴㝤 ࣛࢢ࣐ࢆᅛ᭷ᐟࡍࡿࣛࢢ࣐⺳ࡣࠊ㠀ᅛ᭷ᐟឤᰁࡍࡿᡂࡣ࡞ ࢀ࡞࠸ࡀࠊᗂࡋ࡚యෆࢆᙸࡋ࡚Ẽࢆᘬࡁ㉳ࡇࡍ>@㸦ᅗ ཧ↷㸧 ࠋࣛࢢ ࣐⺳ࡢᗂࡣࢾ⺳ẚ࡚ࢧࢬࡀࡁࡃ㸦๓⪅ࡢయᖜࡣ⣙ PPࠊᚋ⪅࡛ࡣ ⣙ PP㸧 ࠊ⤌⧊◚ቯࡀ⃭ࡋࡃ㉳ࡇࡿࠋࣛࢢ࣐⺳࡛ࡣ⬻ࡸ║⌫ධࡋࡸࡍࡃࠊ ⬻㌾㸫⬻⅖ࡸ⥙⬦⤡⭷⅖ࡢ⤖ᯝࡋ࡚ࡢ∦ഃ㯞⑷ࡸ㐠ື㞀ᐖ࡞ࡢ⚄⤒≧ࠊどຊ㞀 ᐖࡸኻ᫂ࢆᘬࡁ㉳ࡇࡍࡇ࡞ࡿ㸦ᅗ ཧ↷㸧ࠋࣛࢢ࣐ࡢᮏ᮶ࡢ⏕ᜥᆅ࡛࠶ࡿ⡿ 㝣࡛ࡣࠊᗂඣࡢ⬻⅖ࠊᡂேࡢኻ᫂ཎᅉࡋ࡚ࡢࣛࢢ࣐⺳ᗂ⛣⾜᭱㏆ࡁ ࡞බ⾗⾨⏕Ꮫⓗ࡞㛵ᚰࡀ㞟ࡲࡗ࡚࠸ࡿ>@ࠋࡑࡢ⌮⏤ࡢ㸯ࡘࡣࠊ≧ࡀ ῝้࡛࠶ࡾࠊ⮬ぬ≧ࡀฟࡓẁ㝵࡛ࡣ⒪ࡼࡿែࡢᨵၿࡀᮃࡵ࡞࠸ࡽ࡛࠶ࡿࠋ 㹼 ṓࡢᗂඣࡣ⏕⌮ⓗఱ࡛ࡶ┠ࡋࡓࡶࡢࢆཱྀ㐠ࡪࡇࡽࠊࣛࢢ࣐ࡢ⣅౽ ሢ࡛ࡶཱྀࡋ࡚ឤᰁࡍࡿࡢ࡛࠶ࡿࡀࠊឤᰁᚋࡣࡁ࡞ᚋ㑇ࢆᢪ࠼ࡓ⏕άࢆవ࡞ࡃࡉ ࢀࠊࡲࡓࠊ⮴ⓗ࡞ឤᰁ࡞ࡗ࡚ࡋࡲ࠺ࡇࡶ࠶ࡿࠋ⒪ἲࡢ࡞࠸Ẽᑐࡋ࡚ࡣࠊண 㜵ࡇࡑࡀࡍ࡚࡛࠶ࡿࠋ ʵɹɹʵ 8 ʵɹɹʵ ʵɹɹʵ ʵɹɹʵ ᘬ⏝ᩥ⊩ 1. ὸᕝ‶ᙪ࣭ⓗሙὒᖹ࣭ᒣ⏣㍜࣭⚄ᒣᜏኵ(2000) ᾏ㐨㔝ᖠ᳃ᯘබᅬࢆ୰ᚰ⏕ ᜥࡍࡿ⛣ධ✀ࣛࢢ࣐ࡢᐤ⏕⽸㢮ཎ⏕≀ࡑࡢఏ㛵ࢃࡿ㣗ᛶ—ࡑ ࡢㄪᰝࡢ㐍ᤖ≧ἣᚋࡢ᪉ྥᛶ. 㓗㎰⣖せ㸦⮬↛㸧25: 1-8. 2. ⚟ᮏ᐀Ⴙ (2001) ࣌ࢵࢺࡽ࠺ࡘࡿẼࢾ࣭ࢿࢥ⺳. ࡽࡔࡢ⛉Ꮫ 242: 53-56. 3. Furuoka, H., Sato, H., Kubo, M., Owaki, S., Kobayashi, Y., Matsui, T. & Kamiya, H. (2003) Neuropathological observation of rabbits (Oryctolagus cuniculus) affected with raccoon roundworm (Baylisascaris procyonis) larva migrans in Japan. J. Vet. Med. Sci. 65:: 695-699. 4. Gavin, P. J., Kazacos, K. K. & Shulman, S. T. (2005) Baylisascariasis. Microbiol. Rev. 18:: 703-718. 5. ụ⏣㏱ (1999) ᾏ㐨࠾ࡅࡿ⛣ධࣛࢢ࣐ၥ㢟ࡢ⤒㐣ㄢ㢟. ᩥᏛ㒊⣖せ Clin. 47: 149-175. 6. ▼⊁ᨭᗇࣛࢢ࣐⿕ᐖ᳨ウ༠㆟. (1999) ࣛࢢ࣐ࡼࡿ㎰ᴗ➼⿕ᐖ㜵Ṇࡢ ᡭᘬࡁ. ᾏ㐨▼⊁ᨭᗇ. 7. Kazacos, K. R. (1997) Visceral, ocular, and neural larva migrans. In Pathology of infectious diseases, Vol. II, D. H. Connor, F. W. Chandler, D. A. Schwartz, H. J. Manz, and E. E. Lack eds. pp. 1459-1473.Appleton, Stamford, Conneticut, 8. Kazacos, K. R. (2001) Baylisascaris procyonis and related species. In: Parasitic Diseases of Wild Mammals, 2nd ed., W. M. Samuel, M. J. Pybus & A. A. Kocan (eds.), Iowa State University Press, Ames, Iowa, p. 301-341. 9. Kazacos, K. R., Gavin, P. J., Shulman, S. T., Tan, T. Q., Gerber, S. I., Kennedy, W. A., Murray, W. J. & Mascola, L. (2002) Raccoon roundworm encephalitis: Chicago, Illinois, and Los Angeles, California, 2000. MMWR™ 50: 1153-1155. 10. ᕝ୰ṇ᠇ࠊᆏᮏிᏊࠊᮡᒣ ᗈࠊ᳃ᔱᗣஅ (2002) ື≀ᅬࠊほගタ࡛ࡢࣛࢢ ࣐ᅇ༸ởᰁၥ㢟. ཎᚤ⏕≀᳨ฟሗ 23: 203. [http://idsc.nih.go.jp/iasr/23/270/kj2705.html ࡛㜀ぴྍ⬟]. 11. ㏆⸨ຊ⋤⮳ࠊ㉥ᑿಙ᫂ࠊᒣ༟ࠊᒸἑᏕ㞝.(1994) ࢺ࢟ࢯ࢝ࣛࢾ⺳ ࡘ࠸࡚. ᑠඣ⛉ 35: 147-158. ʵɹɹʵ 12. Küchle, M., Knorr, H. L. J., Medenblik-Frysch, S., Weber, A. & Bauer, C. (1993) Diffuse unilateral subacute neuroretinitis syndrome in a German most likely caused by the raccoon rounworm, Baylisascaris procyonis. Graefe's Arch. Clin. Exp. Ophthalmol. 231:: 48-51. 13. ᐑୗ ᐇ (1993) ࣛࢢ࣐⺳ Baylisascaris procyonis ࡢᗂ⛣⾜㛵ࡍࡿ ◊✲. ⏕ά⾨⏕ 37:: 137-151. 14. Murray, W. J. & Kazacos, K. K. (2004) Raccoon roundworm encephalitis. Inf. Dis. 39:: 1484-1492. Clin. 15. Petrochenko, V. I. (1958) Acanthocephala of Domestic and Wild Animals, vol. II (Skrjabin, K. I. ed.), Izdatel'stvo Akademii Nauk SSSR, Moskow. (Translated from Russian by Lavoott, R., edited by Epstein, E., Israel Program for Scientific Translation, Jerusalem, 1971). 16. బ⸨ ᏹ (2005) ே⋇ඹ㏻ឤᰁࡋ࡚ࡢᅇࣛࢢ࣐ᅇࢆ୰ᚰ. ࣔࢲ࣓ࣥࢹ 51:: 177-186. 17. బ⸨ ᏹ (2006) ࣛࢢ࣐⺳. ⋇་␆⏘᪂ሗ 59: 653-658. 18. Sato, H. & Suzuki, K. (2006) Gastrointestinal helminthes of fearal raccoons (Procyon lotor) in Wakayama Pref., Japan. J. Vet. Med. Sci. 68: 311-318. 19. Sato, H., Furuoka, H. & Kamiya, H. (2002) First outbreak of Baylisascaris procyonis larva migrans in rabbits in Japan. Parasitol. Int. 51: 105-108. 20. Sato, H., Kamiya, H. & Furuoka H. (2003) Epidemiological aspects of the first outbreak of Baylisascaris procyonis larva migrans in rabbits in Japan. J. Vet. Med. Sci. 65: 453-457. 21. Sato, H., Suzuki, K., Osanai, A., Kamiya, H. & Furuoka, H. (2005) Identification and characterization of the threadworm, Strongyloides procyonis, from feral raccoons (Procyon lotor) in Japan. J. Parasitol. 92: 63-68. 22. Sato, H., Suzuki, K., Uni, S. and Kamiya, H. 㸦2005㸧 Recovery of the everted cystacanth of seven acanthocephalan species of birds from feral raccoons (Procyon lotor) in Japan. J. Vet. Med. Sci. 67: 1203-1206. 23. Sato, H., Une, Y., Kawakami, S., Saito, E., Kamiya, H. & Furuoka, H. (2005) Fatal Baylisascaris larva migrans in a colony of Japanese macaques kept by a ʵɹɹʵ safari-style zoo in Japan. J. Parasitol. 91: 716-719. 24. ⏣㎶㫽⋇ᑐ⟇༠㆟ (2005) ⏣㎶ᕷ࠾ࡅࡿࣛࢢ࣐ㄪᰝሗ࿌᭩. ḷᒣ┴⏣㎶ ᕷ㎰ᯘㄢෆ⏣㎶㫽⋇ᑐ⟇༠㆟. 25. Wise, M. E., Sorvillo, F. J., Shafir, S. C., Ash, L. R. & Berlin, O. G. (2005) Severe and fatal central nervous system disease in humans caused by Baylisascaris procyonis, the common roundworm of raccoons: a review of current literature. Microbes Inf. 7: 317-323. 26. Yamada, D., Oku, Y., Nonaka, N., Asakawa, M., Ikeda, T., Asano, M., Akamatsu, R., Matoba, Y. & Kamiya, M. (2000) Studies on the parasite fauna of raccoon (Procyon lotor) naturalized in Hokkaido, Japan. Parasitol. Int. 49 (Suppl.):: 91. 27. Yamaguti, S. (1963) Systema Helminthum, vol. V. Acanthocephala, Interscience Publishers, New York. ʵɹɹʵ