Holokinetic chromosomes at a glance
Current knowledge on holokinetic chromosomes is reviewed in this work. Their distribution in the different kingdoms is compiled and updated. The main criteria for their recognition are provided and discussed, from basic morphology and behaviour (ascertained by light microscopy) to a more precise cha...
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| Acceso en línea: | http://hdl.handle.net/20.500.12110/paper_16660390_v17_n1_p17_Mola |
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todo:paper_16660390_v17_n1_p17_Mola2023-10-03T16:29:13Z Holokinetic chromosomes at a glance Mola, L.M. Papeschi, A.G. Holokinetic chromosomes Karyotype evolution Modes of meiosis chromosome chromosome translocation human immunofluorescence karyotype karyotype evolution meiosis microscopy nonhuman ploidy polyploidy review ultrastructure Current knowledge on holokinetic chromosomes is reviewed in this work. Their distribution in the different kingdoms is compiled and updated. The main criteria for their recognition are provided and discussed, from basic morphology and behaviour (ascertained by light microscopy) to a more precise characterization by means of immunofluorescence techniques and ultrastructural studies. The two modes of meiosis (pre- and post-reductional) encountered in holokinetic systems are described as well as other topics related to the meiotic process. The principal mechanisms of karyotype evolution (fusion/simploidy, fragmentation/agmatoploidy, translocation, poliploidy) and their occurrence and frequency in the different taxa are summarized. Finally, the different hypotheses about the origin of holokinetic chromosomes are described. Fil:Mola, L.M. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Papeschi, A.G. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_16660390_v17_n1_p17_Mola |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
Holokinetic chromosomes Karyotype evolution Modes of meiosis chromosome chromosome translocation human immunofluorescence karyotype karyotype evolution meiosis microscopy nonhuman ploidy polyploidy review ultrastructure |
| spellingShingle |
Holokinetic chromosomes Karyotype evolution Modes of meiosis chromosome chromosome translocation human immunofluorescence karyotype karyotype evolution meiosis microscopy nonhuman ploidy polyploidy review ultrastructure Mola, L.M. Papeschi, A.G. Holokinetic chromosomes at a glance |
| topic_facet |
Holokinetic chromosomes Karyotype evolution Modes of meiosis chromosome chromosome translocation human immunofluorescence karyotype karyotype evolution meiosis microscopy nonhuman ploidy polyploidy review ultrastructure |
| description |
Current knowledge on holokinetic chromosomes is reviewed in this work. Their distribution in the different kingdoms is compiled and updated. The main criteria for their recognition are provided and discussed, from basic morphology and behaviour (ascertained by light microscopy) to a more precise characterization by means of immunofluorescence techniques and ultrastructural studies. The two modes of meiosis (pre- and post-reductional) encountered in holokinetic systems are described as well as other topics related to the meiotic process. The principal mechanisms of karyotype evolution (fusion/simploidy, fragmentation/agmatoploidy, translocation, poliploidy) and their occurrence and frequency in the different taxa are summarized. Finally, the different hypotheses about the origin of holokinetic chromosomes are described. |
| format |
JOUR |
| author |
Mola, L.M. Papeschi, A.G. |
| author_facet |
Mola, L.M. Papeschi, A.G. |
| author_sort |
Mola, L.M. |
| title |
Holokinetic chromosomes at a glance |
| title_short |
Holokinetic chromosomes at a glance |
| title_full |
Holokinetic chromosomes at a glance |
| title_fullStr |
Holokinetic chromosomes at a glance |
| title_full_unstemmed |
Holokinetic chromosomes at a glance |
| title_sort |
holokinetic chromosomes at a glance |
| url |
http://hdl.handle.net/20.500.12110/paper_16660390_v17_n1_p17_Mola |
| work_keys_str_mv |
AT molalm holokineticchromosomesataglance AT papeschiag holokineticchromosomesataglance |
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1807322004477444096 |