Histopathological effects of Bacillus thuringiensis on the midgut of tobacco hornworm larvae ( Manduca sexta): Low doses compared with fasting
The cytology and ultrastructure of the midgut cells of Manduca sexta larvae are described for untreated controls, larvae which fed on a spore preparation of Bacillus thuringiensis, and larvae which were fasted for either 24 or 48 hr. New observations on the ultrastructure of midgut cells in Manduca...
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| Veröffentlicht in: | Journal of invertebrate pathology 1984-01, Vol.43 (2), p.169-181 |
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| container_end_page | 181 |
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| container_title | Journal of invertebrate pathology |
| container_volume | 43 |
| creator | deLello, E. Hanton, W.K. Bishoff, S.T. Misch, D.W. |
| description | The cytology and ultrastructure of the midgut cells of
Manduca sexta larvae are described for untreated controls, larvae which fed on a spore preparation of
Bacillus thuringiensis, and larvae which were fasted for either 24 or 48 hr. New observations on the ultrastructure of midgut cells in
Manduca larvae included the finding of specialized Golgi vesicles in anteriormost columnar cells and of regular arrays of expanded rough endoplasmic reticulum in goblet cells of the posterior midgut region. The present observations reveal that the columnar cells of the midgut responded cytologically in the same way to fasting as they did to exposure to the toxic spores of
B. thuringiensis. The goblet cells, however, appeared unaffected by fasting but became swollen in response to feeding of
B. thuringiensis spore preparation. |
| doi_str_mv | 10.1016/0022-2011(84)90135-6 |
| format | Article |
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Manduca sexta larvae are described for untreated controls, larvae which fed on a spore preparation of
Bacillus thuringiensis, and larvae which were fasted for either 24 or 48 hr. New observations on the ultrastructure of midgut cells in
Manduca larvae included the finding of specialized Golgi vesicles in anteriormost columnar cells and of regular arrays of expanded rough endoplasmic reticulum in goblet cells of the posterior midgut region. The present observations reveal that the columnar cells of the midgut responded cytologically in the same way to fasting as they did to exposure to the toxic spores of
B. thuringiensis. The goblet cells, however, appeared unaffected by fasting but became swollen in response to feeding of
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Manduca sexta larvae are described for untreated controls, larvae which fed on a spore preparation of
Bacillus thuringiensis, and larvae which were fasted for either 24 or 48 hr. New observations on the ultrastructure of midgut cells in
Manduca larvae included the finding of specialized Golgi vesicles in anteriormost columnar cells and of regular arrays of expanded rough endoplasmic reticulum in goblet cells of the posterior midgut region. The present observations reveal that the columnar cells of the midgut responded cytologically in the same way to fasting as they did to exposure to the toxic spores of
B. thuringiensis. The goblet cells, however, appeared unaffected by fasting but became swollen in response to feeding of
B. thuringiensis spore preparation.</description><subject>Bacillus thuringiensis</subject><subject>Biological and medical sciences</subject><subject>fasting</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Insecta</subject><subject>Invertebrates</subject><subject>larvae</subject><subject>Manduca sexta</subject><subject>midgut ultrastructure</subject><subject>Pathology</subject><subject>Sphingidae</subject><issn>0022-2011</issn><issn>1096-0805</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1984</creationdate><recordtype>article</recordtype><recordid>eNp9kcFu1DAQhi0EEkvhDTj4gFB7CLWdxHE4IEEFFGmrXuBszdqTXaMkXjxOt7wEz4yXrXrkZMvzzfyaz4y9luKdFFJfCqFUpYSU56a56IWs20o_YSspel0JI9qnbPWIPGcviH6Kcmt1v2J_rgPluIe8i2PcBgcjx2FAl4nHgX8CF8ZxIZ53SwrzNuBMoVTm8oB8Cn675COX4waci3wX03yIaeIjpDtAfs5vYPaLA054n-HiPV_HA_eRkLiL0x4Sen4IeccHoFwCXrJnA4yErx7OM_bjy-fvV9fV-vbrt6uP68rVusmVF7rTG6V6BDUgbnAABXWjwEjsN8Y0nffQN9A2BtsetHFKKl83sm29EZ2rz9jb09x9ir8WpGynQA7HEWaMC1lZG6mMNgVsTqBLkSjhYPcpTJB-WynsUb49mrVHs9Y09p98q0vbm4f5QMXpkGB2gR57-06KzoiCfThhWHa9C5gsueLYoQ-p_IH1Mfw_5y_chZpq</recordid><startdate>19840101</startdate><enddate>19840101</enddate><creator>deLello, E.</creator><creator>Hanton, W.K.</creator><creator>Bishoff, S.T.</creator><creator>Misch, D.W.</creator><general>Elsevier Inc</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>7SS</scope><scope>C1K</scope></search><sort><creationdate>19840101</creationdate><title>Histopathological effects of Bacillus thuringiensis on the midgut of tobacco hornworm larvae ( Manduca sexta): Low doses compared with fasting</title><author>deLello, E. ; Hanton, W.K. ; Bishoff, S.T. ; Misch, D.W.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c364t-d0676b229ea2feebefa2a342a81e9b8847dda94a548e59a68c212d34155d807c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1984</creationdate><topic>Bacillus thuringiensis</topic><topic>Biological and medical sciences</topic><topic>fasting</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Insecta</topic><topic>Invertebrates</topic><topic>larvae</topic><topic>Manduca sexta</topic><topic>midgut ultrastructure</topic><topic>Pathology</topic><topic>Sphingidae</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>deLello, E.</creatorcontrib><creatorcontrib>Hanton, W.K.</creatorcontrib><creatorcontrib>Bishoff, S.T.</creatorcontrib><creatorcontrib>Misch, D.W.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Environmental Sciences and Pollution Management</collection><jtitle>Journal of invertebrate pathology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>deLello, E.</au><au>Hanton, W.K.</au><au>Bishoff, S.T.</au><au>Misch, D.W.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Histopathological effects of Bacillus thuringiensis on the midgut of tobacco hornworm larvae ( Manduca sexta): Low doses compared with fasting</atitle><jtitle>Journal of invertebrate pathology</jtitle><date>1984-01-01</date><risdate>1984</risdate><volume>43</volume><issue>2</issue><spage>169</spage><epage>181</epage><pages>169-181</pages><issn>0022-2011</issn><eissn>1096-0805</eissn><coden>JIVPAZ</coden><abstract>The cytology and ultrastructure of the midgut cells of
Manduca sexta larvae are described for untreated controls, larvae which fed on a spore preparation of
Bacillus thuringiensis, and larvae which were fasted for either 24 or 48 hr. New observations on the ultrastructure of midgut cells in
Manduca larvae included the finding of specialized Golgi vesicles in anteriormost columnar cells and of regular arrays of expanded rough endoplasmic reticulum in goblet cells of the posterior midgut region. The present observations reveal that the columnar cells of the midgut responded cytologically in the same way to fasting as they did to exposure to the toxic spores of
B. thuringiensis. The goblet cells, however, appeared unaffected by fasting but became swollen in response to feeding of
B. thuringiensis spore preparation.</abstract><cop>Amsterdam</cop><pub>Elsevier Inc</pub><doi>10.1016/0022-2011(84)90135-6</doi><tpages>13</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0022-2011 |
| ispartof | Journal of invertebrate pathology, 1984-01, Vol.43 (2), p.169-181 |
| issn | 0022-2011 1096-0805 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_13812868 |
| source | Access via ScienceDirect (Elsevier) |
| subjects | Bacillus thuringiensis Biological and medical sciences fasting Fundamental and applied biological sciences. Psychology Insecta Invertebrates larvae Manduca sexta midgut ultrastructure Pathology Sphingidae |
| title | Histopathological effects of Bacillus thuringiensis on the midgut of tobacco hornworm larvae ( Manduca sexta): Low doses compared with fasting |
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