Production of micronucleoli and onset of cotton fiber growth
Experiments focused on the early development of fiber cells of cotton (Gossypium hirsutum L. cv. MD51 ne) ovules produced two novel findings: one biological, the other methodological. The first concerns a micronucleolus in the nucleus of fibers. This developmental marker appears at or a little befor...
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Veröffentlicht in: | Planta 1998-08, Vol.205 (4), p.561-566 |
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description | Experiments focused on the early development of fiber cells of cotton (Gossypium hirsutum L. cv. MD51 ne) ovules produced two novel findings: one biological, the other methodological. The first concerns a micronucleolus in the nucleus of fibers. This developmental marker appears at or a little before 4 days postanthesis (dpa) in about 10% of the fibers and increases thereafter to nearly 80% provided the fibers are growing on fertilized ovules. Micronucleoli are neither seen in nuclei of fibers at 0-2 dpa nor in nuclei of non-fiber cells. Consequently, it is postulated that they are the product of specific developmental genes associated with fiber growth. The second, methodological finding, involves a cytological means of directly counting the number of fibers produced on young ovules at 1-4 dpa. The method provides quantitative data unavailable in the past. We used this method to show that emasculation caused a temporary 24-h delay in the initiation of fibers, that 30% of the fibers are affected, and that at 3 dpa both fertilized and unfertilized ovules have about 14500 fibers. These data indicate that the fibers on fertilized and unfertilized ovules represent the same cell populations, a finding heretofore unknown. |
doi_str_mv | 10.1007/s004250050356 |
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MD51 ne) ovules produced two novel findings: one biological, the other methodological. The first concerns a micronucleolus in the nucleus of fibers. This developmental marker appears at or a little before 4 days postanthesis (dpa) in about 10% of the fibers and increases thereafter to nearly 80% provided the fibers are growing on fertilized ovules. Micronucleoli are neither seen in nuclei of fibers at 0-2 dpa nor in nuclei of non-fiber cells. Consequently, it is postulated that they are the product of specific developmental genes associated with fiber growth. The second, methodological finding, involves a cytological means of directly counting the number of fibers produced on young ovules at 1-4 dpa. The method provides quantitative data unavailable in the past. We used this method to show that emasculation caused a temporary 24-h delay in the initiation of fibers, that 30% of the fibers are affected, and that at 3 dpa both fertilized and unfertilized ovules have about 14500 fibers. These data indicate that the fibers on fertilized and unfertilized ovules represent the same cell populations, a finding heretofore unknown.</description><identifier>ISSN: 0032-0935</identifier><identifier>EISSN: 1432-2048</identifier><identifier>DOI: 10.1007/s004250050356</identifier><identifier>CODEN: PLANAB</identifier><language>eng</language><publisher>Berlin: Springer-Verlag</publisher><subject>Agronomy. Soil science and plant productions ; biochemical techniques ; Biological and medical sciences ; Bolls ; cell biology ; Cell growth ; Cell nucleolus ; Cell physiology ; Cells, cell elements: structure and function ; Cotton ; Cotton fibers ; Developmental biology ; Economic plant physiology ; emasculation ; Fertilization ; fertilization (reproduction) ; Fiber cells ; flowering date ; Fundamental and applied biological sciences. Psychology ; fuzz ; Gossypium hirsutum ; growth ; lint cotton ; Morphology. Anatomy. Histology. Cytology ; nuclei ; Ovules ; plant development ; Plant physiology and development ; Plants ; quantitative analysis</subject><ispartof>Planta, 1998-08, Vol.205 (4), p.561-566</ispartof><rights>Springer-Verlag Berlin Heidelberg 1998</rights><rights>1998 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c310t-5de821b1a1879e768a01487984a6d8b0221586062cc6796b1b71d8da33bbd0b43</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/23385288$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/23385288$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,780,784,803,27924,27925,58017,58250</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=2343498$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Hof, J. van't</creatorcontrib><title>Production of micronucleoli and onset of cotton fiber growth</title><title>Planta</title><description>Experiments focused on the early development of fiber cells of cotton (Gossypium hirsutum L. cv. MD51 ne) ovules produced two novel findings: one biological, the other methodological. The first concerns a micronucleolus in the nucleus of fibers. This developmental marker appears at or a little before 4 days postanthesis (dpa) in about 10% of the fibers and increases thereafter to nearly 80% provided the fibers are growing on fertilized ovules. Micronucleoli are neither seen in nuclei of fibers at 0-2 dpa nor in nuclei of non-fiber cells. Consequently, it is postulated that they are the product of specific developmental genes associated with fiber growth. The second, methodological finding, involves a cytological means of directly counting the number of fibers produced on young ovules at 1-4 dpa. The method provides quantitative data unavailable in the past. We used this method to show that emasculation caused a temporary 24-h delay in the initiation of fibers, that 30% of the fibers are affected, and that at 3 dpa both fertilized and unfertilized ovules have about 14500 fibers. These data indicate that the fibers on fertilized and unfertilized ovules represent the same cell populations, a finding heretofore unknown.</description><subject>Agronomy. Soil science and plant productions</subject><subject>biochemical techniques</subject><subject>Biological and medical sciences</subject><subject>Bolls</subject><subject>cell biology</subject><subject>Cell growth</subject><subject>Cell nucleolus</subject><subject>Cell physiology</subject><subject>Cells, cell elements: structure and function</subject><subject>Cotton</subject><subject>Cotton fibers</subject><subject>Developmental biology</subject><subject>Economic plant physiology</subject><subject>emasculation</subject><subject>Fertilization</subject><subject>fertilization (reproduction)</subject><subject>Fiber cells</subject><subject>flowering date</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>fuzz</subject><subject>Gossypium hirsutum</subject><subject>growth</subject><subject>lint cotton</subject><subject>Morphology. Anatomy. Histology. Cytology</subject><subject>nuclei</subject><subject>Ovules</subject><subject>plant development</subject><subject>Plant physiology and development</subject><subject>Plants</subject><subject>quantitative analysis</subject><issn>0032-0935</issn><issn>1432-2048</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><recordid>eNpVkElLxDAUgIMoOI4ePYo9eK2-bE0KXmRwgwEFnXPJ1rFDpxmSDOK_N6UienoPvu-tCJ1juMYA4iYCMMIBOFBeHaAZZpSUBJg8RDOAnENN-TE6iXEDkKEQM3T7Grzdm9T5ofBtse1M8MPe9M73XaEGW_ghujQi41PKUttpF4p18J_p4xQdtaqP7uwnztHq4f598VQuXx6fF3fL0lAMqeTWSYI1VliK2olKqjw9p5KpykoNhGAuK6iIMZWoK421wFZaRanWFjSjc1ROffNyMQbXNrvQbVX4ajA04-nNv9OzfzX5OxWN6tugBtPF3yJCGWW1zNrFpG1i8uEPppITOfLLibfKN2odcovVGwFMgcia5MfSbxjmadk</recordid><startdate>19980801</startdate><enddate>19980801</enddate><creator>Hof, J. van't</creator><general>Springer-Verlag</general><general>Springer</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>19980801</creationdate><title>Production of micronucleoli and onset of cotton fiber growth</title><author>Hof, J. van't</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c310t-5de821b1a1879e768a01487984a6d8b0221586062cc6796b1b71d8da33bbd0b43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>Agronomy. Soil science and plant productions</topic><topic>biochemical techniques</topic><topic>Biological and medical sciences</topic><topic>Bolls</topic><topic>cell biology</topic><topic>Cell growth</topic><topic>Cell nucleolus</topic><topic>Cell physiology</topic><topic>Cells, cell elements: structure and function</topic><topic>Cotton</topic><topic>Cotton fibers</topic><topic>Developmental biology</topic><topic>Economic plant physiology</topic><topic>emasculation</topic><topic>Fertilization</topic><topic>fertilization (reproduction)</topic><topic>Fiber cells</topic><topic>flowering date</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>fuzz</topic><topic>Gossypium hirsutum</topic><topic>growth</topic><topic>lint cotton</topic><topic>Morphology. Anatomy. Histology. Cytology</topic><topic>nuclei</topic><topic>Ovules</topic><topic>plant development</topic><topic>Plant physiology and development</topic><topic>Plants</topic><topic>quantitative analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hof, J. van't</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>Planta</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hof, J. van't</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Production of micronucleoli and onset of cotton fiber growth</atitle><jtitle>Planta</jtitle><date>1998-08-01</date><risdate>1998</risdate><volume>205</volume><issue>4</issue><spage>561</spage><epage>566</epage><pages>561-566</pages><issn>0032-0935</issn><eissn>1432-2048</eissn><coden>PLANAB</coden><abstract>Experiments focused on the early development of fiber cells of cotton (Gossypium hirsutum L. cv. MD51 ne) ovules produced two novel findings: one biological, the other methodological. The first concerns a micronucleolus in the nucleus of fibers. This developmental marker appears at or a little before 4 days postanthesis (dpa) in about 10% of the fibers and increases thereafter to nearly 80% provided the fibers are growing on fertilized ovules. Micronucleoli are neither seen in nuclei of fibers at 0-2 dpa nor in nuclei of non-fiber cells. Consequently, it is postulated that they are the product of specific developmental genes associated with fiber growth. The second, methodological finding, involves a cytological means of directly counting the number of fibers produced on young ovules at 1-4 dpa. The method provides quantitative data unavailable in the past. We used this method to show that emasculation caused a temporary 24-h delay in the initiation of fibers, that 30% of the fibers are affected, and that at 3 dpa both fertilized and unfertilized ovules have about 14500 fibers. These data indicate that the fibers on fertilized and unfertilized ovules represent the same cell populations, a finding heretofore unknown.</abstract><cop>Berlin</cop><pub>Springer-Verlag</pub><doi>10.1007/s004250050356</doi><tpages>6</tpages></addata></record> |
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subjects | Agronomy. Soil science and plant productions biochemical techniques Biological and medical sciences Bolls cell biology Cell growth Cell nucleolus Cell physiology Cells, cell elements: structure and function Cotton Cotton fibers Developmental biology Economic plant physiology emasculation Fertilization fertilization (reproduction) Fiber cells flowering date Fundamental and applied biological sciences. Psychology fuzz Gossypium hirsutum growth lint cotton Morphology. Anatomy. Histology. Cytology nuclei Ovules plant development Plant physiology and development Plants quantitative analysis |
title | Production of micronucleoli and onset of cotton fiber growth |
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