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Journal : Jurnal Ilmu Dasar

Resistance against Bacillus thuringiensis endotoxins in a laboratory population of Helicoverpa armigera is based on an elevated immune status Muhammad Sarjan; Mahbub M Rahman; Gang Ma; Otto Schmit
Jurnal ILMU DASAR Vol 10 No 1 (2009)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Jember

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Abstract

Recent   observations   suggest   that   lectin-like   toxins,   such   as   endotoxins   from  Bacillus   thuringiensis  are sequestered inside the gut of immune-induced insects providing tolerance to Bt-formulations. To investigate the induction   and   sequestration   process,   we   used   toxin   and   lectins   that   bind   to   galactosamine   (Gal)   and   N-acetylagalactosamine (GalNAc) to identify binding sites in the midgut of induced and non-induced insects using confocal   microscopy.   Our   observations   suggest   that   immune   and   metabolic   hemolymph   components   are transported across the gut epithelium and accumulate inside the gut lumen in Bt-tolerant insects. Co-location of immune components and toxin indicates that some of the toxin is inactivated by coagulation reactions inside the gut lumen before it can reach the brush border membrane
Co-Authors , Kisman A. Farid Hemon Achmad Wiranadi Hakim Adrianto, J Agus Purbathin Hadi Agus Purbatin Hadi Agus Purbatin Hadi Aluh Nikmatullah Aluh Nikmatullah Aluh Nikmatullah Aluh Nikmatullah Ananda Awaliya Baiq Jannatun Na’im Baiq Minarti Rismanovi Baiq. Rara Ulansari Bambang Setiadi Azhari Basri, Nurfaisah Citra Sintia Andari Dara Fitriana David Putra Pratama Dewi Yuliantika Edy Sofyan, Edy Farid Hemon Gang Ma Handika Setiawan Handry Sudiartha Athar Hendro Yulistiono2 Hery Haryanto I Gde Mertha I Gde Mertha Irwan Muthahanas Irwan Muthahanas Isman Sab’i Joni Rokhmat Joni Rokhmat Joni Rokhmat Khaerus Syahidi Khairat, UL Kurniawan Arizona Kurniawan Arizona Kurniawan Arizona Lale Girvina Ratu Anindy Lalu Hamdani Husnan Lalu Ishadi Darwinata LaluAzis Juanda Mahbub M Rahman Mery Windarningsih Mery Windarningsih Mery Wirdianingsih Mia Maharani Dewi Moh Taufik Fauzi Muchlis Muchlis Muh. Thoriq Dwi Setyawan Muhammad Tryora Inzaghi Muhammad Wahyu Muhammad Zidane Bachtiar Murdan1 . Neng Annisa Is Amalia Ni Putu Eka Radianti Novita Hidayatun Nufus nuraini nuraini Nurhikmah Nurhikmah Nurwana, Nurwana Otto Schmit Putri Dinda Gunawan Ramdhani Sucilestari Ramdhani Sucilestari Ramdhani Sucilestari Rosita Wati Ruth Stella Petrunella Thei Saeful Hadi Santiyasa, I Nyoman Satrijo Saloko Septia Antasari Sopiati Alawiyah Sudirman Sudirman Sulaiman Sulaiman Suryati Suryati Syahrial A Syahrial A Syamsuddin Syamsuddin Syarli, Syarli Tamin, Rosmawati Tarmizi Tarmizi Tomi Cahyadi Utama Toni Istofan Zikri ulpiana, ulpiana Uswatun Hasanah Witanti Sukma K Yuli Asmi Rahman