Bophelo, Moriana
Seo ke libaktheria 'me a karolo ea bona linthong tsa tlhaho
Pota qetellong ea XIX lekholong la lilemo la, bo-rasaense ba ile ba qala ho ipokellela tsebo ka phapang pakeng tsa prokaryotic le eukaryotic seleng ea , 'me butle-butle abelwa muso arohaneng tsa lintho tse phelang, ho kopantswe ho hloka khethollo ea ea lisele, - Protista. Leha ho le joalo, seo libaktheria ka nako eo ba feela ile a tlameha ho ithuta: feela lilemong tsa bo-XX. tsebo ena e se e systematized.
phetoho
Ultrastroenie libaktheria bonahalang feela ka elektrone ya microscope, Leha ho le joalo, e le hore libaktheria tse joalo, le kamoo ba sheba ka ntle, u ka bona le ho qoelisoa microscopy sebelisa mekhoa e khethehileng staining. Litekanyo tsa microorganisms tsena ka fapana ho ea ka microns 0,1 ho 10, empa e dumella ho phetoho ea libaktheria le ho arola ba kenya lihlopha tse tharo tse ka sehloohong: chitja - cocci (mono-, lipane le tetra-, streptococci le sartsiny), molamu - bacilli (mono-, diplo- , streptococci) le sothehileng - vibrio, spirilla le spirochetes. Tlas'a maemo a laboratori ea ho fumana hore na mofuta le thepa ea potlakisang tsebetso ea lik'hemik'hale le tse hōlileng ka feela ba tloaelehileng kapa e khethehileng mecha ea phatlalatso ea phepo ka kolone sebopeho, le ka libakeng tse sa tšoaneng 'me ba na le mohlala o fapaneng ea ho hōla.
sebopeho
Ka kakaretso, seo libaktheria rerang ultrastructure bona. Kantle ho boloketsoe libaktheria seleng ea leboteng, e bopilweng ka le dikarolo tsa peptidoglycan, acid e teichoic le lipid. Mahloriso pele rerang bokhoni ba a mob mobile libaktheria qaphalletsoa ke mokhoa oo ka smear ', ho ea ka tseo ba li classified e ie + le Gr. Ba bang ba bona ba le tlatsetso sebopeho sireletsang - ka komiki e nang le K antigen le thibela phagocytosis bona ka hare kokoana-hloko, liphello tse chefo le lintho ho phetha molao feela. Ho ithuta ho eketsehileng ka seo libaktheria, ho ke ho hlokahala hore ho ithuta sebopeho bona intracellular: libaktheria li tlala cytoplasm, eo qhibiliha organelles tse ling (ribosomes, chromatophores) le kenyelletsoa ha lintlha tsa limatlafatsi (lipids, tsoekere). Tsena, joaloka prokaryotes tsohle di sa ile a ntša motheo le boitsebiso bohle liphatsa tsa lefutso e bolokoa habeli-tsielehile nucleic acid e molek'hule e leng sebakeng sa nucleoid le e tsitsitseng ho lera ho nako e 'ngoe. Ka nģ'ane ho lesedi lona liphatsa tsa lefutso e leng ka plasmid eo ka hore na thepa le ntshetsopele ya lintlha pathogenic. Bakeng sa mokhatlo oa ba sebelisa flagella le spirillum, e tsitsitseng ka seleng basal 'mele,' me ho ikatisa bona ho etsahala ka ho arola tse peli.
Similar articles
Trending Now