Oogenesis in phthirapterans (Insecta: Phthiraptera). I. Morphological and histochemical characterization of the oocyte nucleus and its inclusions
We characterize morphological and histochemical changes occurring within the oocyte nucleus (germinal vesicle) during oogenesis in two phthirapteran species: the pig louse, Haematopinus suis (Anoplura) and the pigeon louse, Columbicola columbae (Mallophaga). In previtellogenic oocytes, within the oo...
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| Veröffentlicht in: | Arthropod structure & development 2004-04, Vol.33 (2), p.161-172 |
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| creator | Żelazowska, Monika Jaglarz, Mariusz K |
| description | We characterize morphological and histochemical changes occurring within the oocyte nucleus (germinal vesicle) during oogenesis in two phthirapteran species: the pig louse,
Haematopinus suis (Anoplura) and the pigeon louse,
Columbicola columbae (Mallophaga). In previtellogenic oocytes, within the oocyte nucleus the chromatin condenses and forms the karyosome. In contact with the karyosome numerous dense and highly heterogeneous nuclear bodies occur. We demonstrate that these nuclear inclusions have complex structure and contain RNA and argyrophilic proteins of nucleolar organizer (Ag-NOR proteins). Results of immunogold electron microscopy experiments are also presented. The obtained results suggest that the phthirapteran nuclear bodies are assemblages of ribonucleoproteins that are stored in the oocyte nucleus and might be utilized during early stages of embryonic development.
In the investigated species, the nuclear envelope of the germinal vesicle is equipped with characteristic protrusions. Ultrastructural analysis revealed striking similarity of these structures to the initial stages of the formation of accessory nuclei. Based on these results, we speculate on the possible evolutionary origin of the accessory nuclei in phthirapterans. |
| doi_str_mv | 10.1016/j.asd.2004.01.001 |
| format | Article |
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Haematopinus suis (Anoplura) and the pigeon louse,
Columbicola columbae (Mallophaga). In previtellogenic oocytes, within the oocyte nucleus the chromatin condenses and forms the karyosome. In contact with the karyosome numerous dense and highly heterogeneous nuclear bodies occur. We demonstrate that these nuclear inclusions have complex structure and contain RNA and argyrophilic proteins of nucleolar organizer (Ag-NOR proteins). Results of immunogold electron microscopy experiments are also presented. The obtained results suggest that the phthirapteran nuclear bodies are assemblages of ribonucleoproteins that are stored in the oocyte nucleus and might be utilized during early stages of embryonic development.
In the investigated species, the nuclear envelope of the germinal vesicle is equipped with characteristic protrusions. Ultrastructural analysis revealed striking similarity of these structures to the initial stages of the formation of accessory nuclei. Based on these results, we speculate on the possible evolutionary origin of the accessory nuclei in phthirapterans.</description><identifier>ISSN: 1467-8039</identifier><identifier>EISSN: 1873-5495</identifier><identifier>DOI: 10.1016/j.asd.2004.01.001</identifier><identifier>PMID: 18089031</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Accessory nuclei ; cell nucleolus ; cell nucleus ; chromatin ; Columbicola ; Columbicola columbae ; germinal vesicle ; Haematopinus suis ; hematophagous insects ; histochemistry ; insect biochemistry ; insect morphology ; Insect ultrastructure ; Karyosome ; lice ; Nuclear bodies ; nuclear membrane ; Nucleolus ; oocytes ; oogenesis ; ribonucleoproteins ; ultrastructure</subject><ispartof>Arthropod structure & development, 2004-04, Vol.33 (2), p.161-172</ispartof><rights>2004 Elsevier Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c373t-256817f06efce5a944da46fb6e588c11f349d540a3222734dd8180cb44ceb6503</citedby><cites>FETCH-LOGICAL-c373t-256817f06efce5a944da46fb6e588c11f349d540a3222734dd8180cb44ceb6503</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.asd.2004.01.001$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3541,27915,27916,45986</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/18089031$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Żelazowska, Monika</creatorcontrib><creatorcontrib>Jaglarz, Mariusz K</creatorcontrib><title>Oogenesis in phthirapterans (Insecta: Phthiraptera). I. Morphological and histochemical characterization of the oocyte nucleus and its inclusions</title><title>Arthropod structure & development</title><addtitle>Arthropod Struct Dev</addtitle><description>We characterize morphological and histochemical changes occurring within the oocyte nucleus (germinal vesicle) during oogenesis in two phthirapteran species: the pig louse,
Haematopinus suis (Anoplura) and the pigeon louse,
Columbicola columbae (Mallophaga). In previtellogenic oocytes, within the oocyte nucleus the chromatin condenses and forms the karyosome. In contact with the karyosome numerous dense and highly heterogeneous nuclear bodies occur. We demonstrate that these nuclear inclusions have complex structure and contain RNA and argyrophilic proteins of nucleolar organizer (Ag-NOR proteins). Results of immunogold electron microscopy experiments are also presented. The obtained results suggest that the phthirapteran nuclear bodies are assemblages of ribonucleoproteins that are stored in the oocyte nucleus and might be utilized during early stages of embryonic development.
In the investigated species, the nuclear envelope of the germinal vesicle is equipped with characteristic protrusions. Ultrastructural analysis revealed striking similarity of these structures to the initial stages of the formation of accessory nuclei. Based on these results, we speculate on the possible evolutionary origin of the accessory nuclei in phthirapterans.</description><subject>Accessory nuclei</subject><subject>cell nucleolus</subject><subject>cell nucleus</subject><subject>chromatin</subject><subject>Columbicola</subject><subject>Columbicola columbae</subject><subject>germinal vesicle</subject><subject>Haematopinus suis</subject><subject>hematophagous insects</subject><subject>histochemistry</subject><subject>insect biochemistry</subject><subject>insect morphology</subject><subject>Insect ultrastructure</subject><subject>Karyosome</subject><subject>lice</subject><subject>Nuclear bodies</subject><subject>nuclear membrane</subject><subject>Nucleolus</subject><subject>oocytes</subject><subject>oogenesis</subject><subject>ribonucleoproteins</subject><subject>ultrastructure</subject><issn>1467-8039</issn><issn>1873-5495</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><recordid>eNp9kc9u1DAQhyMEoqXwAFzApwoOCePYzh84oQroSkVFgp4trzPZeJWNU49TqbwFb1xvdyU4cbJlf78Ze74se82h4MCrD9vCUFeUALIAXgDwJ9kpb2qRK9mqp2kvqzpvQLQn2QuiLQDUpaqfZye8gaYFwU-zP9d-gxOSI-YmNg9xcMHMEYOZiL1bTYQ2mo_sxz8X7wu2Kth3H-bBj37jrBmZmTo2OIreDrh7PLGDCcYm3v020fmJ-Z7FAZn39j4imxY74kKPQRf3ze24UOLoZfasNyPhq-N6lt18_fLr4jK_uv62uvh8lVtRi5iXqmp43UOFvUVlWik7I6t-XaFqGst5L2TbKQlGlGVZC9l1Tfq1XUtpcV0pEGfZ-aHuHPztghT1zpHFcTQT-oV0VQtoJZcJ5AfQBk8UsNdzcDsT7jUHvfegtzp50HsPGrhOHlLmzbH4st5h9zdxHHwC3h6A3nhtNsGRvvlZpiRAK6Sqq0R8OhCYhnDnMGiyDieLnQtJiu68-88DHgCkFaQZ</recordid><startdate>20040401</startdate><enddate>20040401</enddate><creator>Żelazowska, Monika</creator><creator>Jaglarz, Mariusz K</creator><general>Elsevier Ltd</general><scope>FBQ</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20040401</creationdate><title>Oogenesis in phthirapterans (Insecta: Phthiraptera). I. Morphological and histochemical characterization of the oocyte nucleus and its inclusions</title><author>Żelazowska, Monika ; Jaglarz, Mariusz K</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c373t-256817f06efce5a944da46fb6e588c11f349d540a3222734dd8180cb44ceb6503</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Accessory nuclei</topic><topic>cell nucleolus</topic><topic>cell nucleus</topic><topic>chromatin</topic><topic>Columbicola</topic><topic>Columbicola columbae</topic><topic>germinal vesicle</topic><topic>Haematopinus suis</topic><topic>hematophagous insects</topic><topic>histochemistry</topic><topic>insect biochemistry</topic><topic>insect morphology</topic><topic>Insect ultrastructure</topic><topic>Karyosome</topic><topic>lice</topic><topic>Nuclear bodies</topic><topic>nuclear membrane</topic><topic>Nucleolus</topic><topic>oocytes</topic><topic>oogenesis</topic><topic>ribonucleoproteins</topic><topic>ultrastructure</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Żelazowska, Monika</creatorcontrib><creatorcontrib>Jaglarz, Mariusz K</creatorcontrib><collection>AGRIS</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Arthropod structure & development</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Żelazowska, Monika</au><au>Jaglarz, Mariusz K</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Oogenesis in phthirapterans (Insecta: Phthiraptera). I. Morphological and histochemical characterization of the oocyte nucleus and its inclusions</atitle><jtitle>Arthropod structure & development</jtitle><addtitle>Arthropod Struct Dev</addtitle><date>2004-04-01</date><risdate>2004</risdate><volume>33</volume><issue>2</issue><spage>161</spage><epage>172</epage><pages>161-172</pages><issn>1467-8039</issn><eissn>1873-5495</eissn><abstract>We characterize morphological and histochemical changes occurring within the oocyte nucleus (germinal vesicle) during oogenesis in two phthirapteran species: the pig louse,
Haematopinus suis (Anoplura) and the pigeon louse,
Columbicola columbae (Mallophaga). In previtellogenic oocytes, within the oocyte nucleus the chromatin condenses and forms the karyosome. In contact with the karyosome numerous dense and highly heterogeneous nuclear bodies occur. We demonstrate that these nuclear inclusions have complex structure and contain RNA and argyrophilic proteins of nucleolar organizer (Ag-NOR proteins). Results of immunogold electron microscopy experiments are also presented. The obtained results suggest that the phthirapteran nuclear bodies are assemblages of ribonucleoproteins that are stored in the oocyte nucleus and might be utilized during early stages of embryonic development.
In the investigated species, the nuclear envelope of the germinal vesicle is equipped with characteristic protrusions. Ultrastructural analysis revealed striking similarity of these structures to the initial stages of the formation of accessory nuclei. Based on these results, we speculate on the possible evolutionary origin of the accessory nuclei in phthirapterans.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>18089031</pmid><doi>10.1016/j.asd.2004.01.001</doi><tpages>12</tpages></addata></record> |
| fulltext | fulltext |
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| ispartof | Arthropod structure & development, 2004-04, Vol.33 (2), p.161-172 |
| issn | 1467-8039 1873-5495 |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Accessory nuclei cell nucleolus cell nucleus chromatin Columbicola Columbicola columbae germinal vesicle Haematopinus suis hematophagous insects histochemistry insect biochemistry insect morphology Insect ultrastructure Karyosome lice Nuclear bodies nuclear membrane Nucleolus oocytes oogenesis ribonucleoproteins ultrastructure |
| title | Oogenesis in phthirapterans (Insecta: Phthiraptera). I. Morphological and histochemical characterization of the oocyte nucleus and its inclusions |
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