Mikrotubula: Béda antara owahan
Kaca énggal: thumb|right|Model segmen mikrotubula dideleng nganggo ''[[Cryo-electron microscopy.<ref name="pmid12377118">{{cite journal |author=Li H, DeRosier DJ, Nicho... |
c r2.7.1) (bot Mengubah: id:Mikrotubulus |
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[[id:Mikrotubulus]] |
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[[it:Microtubulo]] |
[[it:Microtubulo]] |
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Révisi kala 2 Dhésèmber 2011 09.07
Mikrotubula yaiku organel sel,ing jero sitoplasma kabeh sel eukariot, arupa silinder dawa kang duweni rongga kanthi diameter njaba kira-kira 25 nm lan diameter njero ± 12 nm.[2][3] Dawane werna-werna saka pirang-pirang nanometer nganti prang-pirang mikrometer.[2] Mikrotubula kasusun saka molekul-molekul bunder protein globular kang diarani tubulin, kang sacara spontan nggabung ing kaanan tertemtu mbentuk silinder dawa kang nduweni rongga.[2][3] Saben molekul tubulin kasusun saka rong subunit polipeptida kang arupa,α-tubulin lan β-tubulin.[3] Saben molekul tubulin duweni bobot molekul 110.000 Dalton lan minangka dimer saka protein tubulin α lan tubulin β.[2] Ing irisane, mikrotubula katon kasusun saka 13 subunit ing susunan heliks.[2] Subunit iki yaiku bageyan saka 13 benang tubulin, saben subnit karonce mbentuk heliks kang minangka bageyan saka dinding mikrotubula.[2] Sakloron macam tubulin iki kasusun kanthi selang seling sadawaning benang.[2]
Enzim protease aspartat kang disekresi dening HIV lan avian myeloblastosis virus ditemokake nggondheli proses ronce mikrotubula, kanthi ngiris hormon MAP.[4]
Delengen uga
Cathetan suku
- ↑ Li H, DeRosier DJ, Nicholson WV, Nogales E, Downing KH (2002). "Microtubule structure at 8 Å resolution". Structure. 10 (10): 1317–28. doi:10.1016/S0969-2126(02)00827-4. PMID 12377118.
{{cite journal}}: Unknown parameter|month=ignored (pitulung)CS1 maint: multiple names: authors list (link) - ↑ a b c d e f g Salisbury FB, Ross CW. 1995.Fisiologi Tumbuhan. Indonesia: Penerbit ITB Bandung. Hal 22. ISBN 979-8591-20-8.
- ↑ a b c Campbell NA, Reece JB, Mitchell LG. 2002. Biologi, Edisi Kelima, Jilid I. Jakarta: Erlangga. Hal:130, 126 ISBN 979-688-468-2
- ↑ Masalah transklusi: {{En}} mung bisa kaanggo ing mandhala aran Barkas. Anggonen {{lang-en}} utawa {{en icon}} baé."Proteolytic cleavage of microtubule-associated proteins by retroviral proteinases". Department of Zoophysiology, University of Göteborg; Wallin M, Deinum J, Goobar L, Danielson UH. Dibukak ing 2010-06-25.
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