Maphunziro:Maphunziro a sukulu ndi sukulu

Udindo wa mabakiteriya m'chilengedwe. Kufalikira kwa mabakiteriya m'chilengedwe

Mabakiteriya amatizinga ponseponse, komanso, amakhala mkati mwa thupi laumunthu, komanso mwazinthu zambiri. Chifukwa cha kukula kwake, sangathe kuwona ndi maso, komabe amatha kuvulaza komanso kuwathandiza. Kawirikawiri, udindo wa mabakiteriya m'chilengedwe ndi waukulu.

Chikhalidwe cha zamoyo

Kwa nthawi yaitali panalibe dongosolo logwirizana, kusiyanitsa zamoyo. Komabe, wotchuka wotchedwa Karl Linnaeus anaika maziko a masiku ano a binomial classification, pofotokoza zazikulu zitatu, malingaliro ake, magulu: nyama, zomera ndi mchere. Anaperekanso kuti "ufumu".

Pambuyo pake, pakukula kwa teknoloji ndi kupeza chidziwitso chatsopano, mndandanda unasinthika, ma prokaryotes ndi eukaryota anali olekanitsidwa , kusiyana kwakukulu kukhala kusakhala ndi kukhalapo kwa mtima m'maselo. Masiku ano, pali maufumu asanu ndi atatu omwe ali ndi kusiyana kwakukulu: mavairasi, archaea, protista, chromites, zomera, bowa, nyama ndi mabakiteriya. Ponena za omaliza, tonse timadziwa za kukhalapo kwawo ndipo nthawi zonse timakumana nawo, ngakhale kuti sitikuwona. Zingakhale zosayembekezereka kuti iwo analekanitsidwa ku ufumu wosiyana wa chirengedwe.

Mabakiteriya

Oimira awa ophweka kwa nyama zakutchire kwa nthawi yaitali, "kubisala" m'maso mwa anthu. Komabe, zotsatira za ntchito zawo zinali zooneka kale kale: mkaka wowawa, kuwonongeka kwa masamba ogwa, kuvuta shuga ndi zina zambiri. Choncho kufunika kwa mabakiteriya m'chilengedwe, ngakhale nthawi yayitali asanayambe kupeza, ndi kovuta kwambiri.

Gulu ili la zamoyo ndi limodzi lakale kwambiri padziko lapansi - liripo zaka zoposa 3.5 biliyoni, ndipo pafupifupi gawo limodzi mwa magawo atatu a nthawi imeneyo anali okhawo okhala padziko lapansi. Ngakhale kuti zamoyo zinawasintha mwa njira inayake, mawonekedwe a mabakiteriya amakhalabe osauka, chifukwa alibe ngakhale phokoso. Ndipo oimira ufumu umenewu omwe angathe kukhala ndi moyo pachikhalidwe chovuta kwambiri, ndipo nonse angakhale ndi zosavuta. Panthawi imodzimodziyo ndi gulu lalikulu kwambiri la zamoyo zonse zomwe zilipo padziko lapansi.

Kupeza ndi kuphunzira

Kwa nthawi yaitali asayansi sanayambe ngakhale kukayikira kukhalapo kwa zamoyo zomwe sizinali zowoneka kwa iwo. Inde, amene anapeza mabakiteriya m'zaka za m'ma XVII anali munthu amene anapanga microscope - mbadwa ya Holland, Antony van Leeuwenhoek. Zida zake zinawonjezereka mpaka 160, kotero kuti wasayansi anaona mu madontho a madzi, matope, chipika ndi malo ena ambiri achilendo - anawatcha nyama. Pa kafukufuku, anapeza osiyana, ndi zinyama zofanana, ndipo adazijambula mosamala. Kotero maziko a microbiology anayikidwa. Dzina lomwelo "mabakiteriya" linaperekedwa ndi Christian Ehrenberg mu 1828.

Kugwirizana kwa zamoyo izi ndi matenda osiyanasiyana kwa nthawi yoyamba kumapeto kwa zaka za XVIII zinalengezedwa ndi dokotala wa asilikali DS Samoilovich. Pogwiritsira ntchito microscope, anayesa kupeza katswiri wodwalayo wa mliriwu, womwe anayenera kukumana nawo pa mliriwu ku Moscow. Ngakhale kuti sanapambane, adatsimikizira kuti matendawa amapezeka pokhapokha atayankhula mwachindunji ndi wodwala kapena zinthu zake. Pa nthawi yomweyi, lingaliro la katemera kudzera mufooka kapena kupha tizilombo tinkakonzedwa. Pambuyo pake inakhazikitsidwa ku England, dokotala Edward Jenner atazindikira kuti wodwalayo ali ndi kachilombo koyambitsa matenda a nthomba pambuyo pa mbiri ya ng'ombeyo.

Kwa zaka makumi angapo, kachipatala kakang'ono kanali kokhudzidwa ndi kusonkhanitsa ndi kuwonetsa mauthenga, kufotokoza mbali ya mabakiteriya m'chilengedwe ndi njira zosiyanasiyana za moyo. Kenaka panali kusiyana pakati pawo ndi mavairasi chifukwa cha kusiyana kwakukulu mu kapangidwe kake. Koma tanthauzo lenileni la mabakiteriya m'moyo wa chilengedwe silinayamikiridwe kamodzi.

Zida

Pokhudzana ndi kufunikira kosinthidwa kuti apulumuke muzikhalidwe zosiyanasiyana, mabakiteriya sayenera kukhala ndi mphamvu zokha kuberekana mofulumira, komanso kuti azisiyana mosiyanasiyana, zomwe zidzakambidwe pambuyo pake.

Zamoyo zonse zokhudzana ndi ufumu umenewu, ndithudi, zimakhala ndi zofanana. Mwachitsanzo, onsewa ndi ma prokaryot, kapena kuti alibe malo osiyana ndi ena a organelles. Pakalipano, pakukula, nthawi zambiri amakhala aakulu kuposa eukaryotes, ndipo amafika pafupifupi 0.005 millimita. Bacteria yaikulu kwambiri yomwe imadziwika ndi sayansi siidapitirira 0.75 mm m'mimba mwake, ndipo imatha kuwonedwa ndi maso.

Choyamba, oimira ufumu umenewu ali ndi khoma la selo, opatsa selo mawonekedwe, komanso kachidutswa kakang'ono ka mucous capsule, yomwe imateteza thupi kuti lisayume ndipo limapangitsa kuti kayendetsedwe kake kamangidwe. Nthawi zina kukula kwake kumakhala kwakukulu kuposa mabakiteriya ena onse. Puloteni, poyerekeza ndi maselo a tizilombo tina tizilombo, ndi yowonjezereka komanso yokonzedwa. Mavitamini onse ali mmenemo, chifukwa palibe opuoles. Chiwalo china chomwe chimathandiza selo kusuntha chingayimiridwe ndi villi pamwamba pake. Koma iwo mwina sangakhalepo.

Zosiyanasiyana

Mabakiteriya a nyama zakutchire amasiyana makamaka ndi mawonekedwe a maselo, kotero amagawidwa m'magulu molingana ndi momwe amaonekera. Mitundu yayikulu imatchedwa choncho:

  • Cocci;
  • Bacilli;
  • Vibrios;
  • Spirochetes;
  • Spirilla;
  • Streptococci;
  • Staphylococci.

Kuwonjezera apo, pali kusiyana pakati pa mtundu wa zikhalidwe zoyenera pamoyo. Tiyeni tipereke chitsanzo. Zamoyo zomwe zingathe kukhalapo popanda oxygen zimatchedwa anaerobic. Kuwonjezera apo, tizilombo toyambitsa matenda tizilombo tating'onoting'ono timene timasiyanitsa mabakiteriya a gram-negative ndi gram-positive. Pano tikukamba za zomwe zimachitika ku dayi yapaderadera, zomwe zimadalira kapangidwe ka maselo. Mabakiteriya a gram ali ndi chovala choteteza kwambiri.

Kufalitsa

Amakhala paliponse, chifukwa chake amakakamizidwa kutenga mawonekedwe osintha. Mafunde a mapiri ndi madera a m'nyanja, nyanja zakuya komanso malo okwera mapiri, mpweya wabwino - mabakiteriya amapezeka kulikonse. Izi ndizotheka kokha chifukwa cha umoyo wawo waukulu ndi kubereka mofulumira: kugawanika kosavuta kumatha pafupifupi maminiti 20.

Mwa njira, mkhalidwe umene sungakhale woyenerera kuti apitirizebe moyo, mabakiteriya a chilengedwe amakhala ndi mawonekedwe otchedwa spores, ndiko kuti, apite mu mawonekedwe oyenerera kunyamula mphepo kapena madzi. Pomwe chilengedwechi chimakhala chokwanira bwino, tizilombo tizilombo timatenganso kachilombo kamene timayambitsa zomera. Umu ndi momwe kufalitsa kwa mabakiteriya m'chilengedwe kumapitirira ndikupitirirabe.

Tanthauzo ndi gawo

Kufunika kwa zomwe tizilombo ting'onoting'ono tomwe timachita ndi zovuta kuzimvetsa. Udindo wa mabakiteriya m'chilengedwe ndi waukulu kwambiri. Choyamba, ndi omwe ali ndi udindo wokhala ndi mitundu yovuta ya moyo mu mawonekedwe awo. Ndipotu, algae-green algae, monga cyanobacteria nthawi zambiri amatchedwa, kwenikweni analenga mlengalenga ndi kukhalabe mlingo wa mpweya pa mlingo woyenera. Mpaka pano, tizilombo tizilombo timene timakhala mumtunda wa nyanja, timapanga theka la O 2 .

Mwinanso kachirombo kachiwiri kofunikira kwambiri pa chilengedwe ndikutenga nawo mbali muzogwiritsira ntchito mankhwala. Popanda izi, zimakhalanso zovuta kulingalira dziko lamakono. Pali gulu lonse la saprophytes (lomwe limaphatikizapo mabakiteriya). Amagwira ntchito mwachindunji pa zinthu zakuthambo, kuwononga zotsalira za minofu ya m'thupi ndi mchere zomwe zimafunikira kuti zakudya zamasamba zizikhala bwino. Kotero "zinyenyeswazi" izi ndi mbali yofunikira pa chilengedwe chilichonse.

Ntchito ina yofunikira ya mabakiteriya m'chilengedwe ndikutembenuza zinthu zina kwa ena, ngakhale kuti izi sizothandiza nthawi zonse. Chakudya chimakupatsani inu mtanda ndi mowa, ndi mabakiteriya a lactobacillus - kefir, kanyumba tchizi, mkaka wotsalira ndi zinthu zina zomwezo. Koma ngakhale sizinthu zonse. Kumbukirani mabakiteriya omwe amapanga matumbo a m'mimba m'mimba. Ndizo zomwe zimathandiza kuti chiwerengero cha zakudya zakuthambo chikhale ndi zinthu zothandiza kwambiri zomwe zimalowetsa thupi ndi chakudya.

Chitetezo

Komabe, udindo wa mabakiteriya m'chilengedwe sichimangokhala wokhawokha. Kotero, pali tizilombo toyambitsa matenda omwe amachititsa matenda aakulu, kawirikawiri pamakhala kufunika kochotsa "alendo" osafuna. Pachifukwachi, palibe ukhondo weniweni, ndiko kusamba manja ndi matupi ndi sopo, komanso kuteteza ma disinfection, komanso kuyera kwa zinthu ndi malo osiyanasiyana. Njira zoyenera kutetezera mabakiteriya zimaphatikizapo kutentha ndi kutentha nthawi yaitali pamadzi otentha, mankhwala oledzeretsa ndi mankhwala a chlorin, ndi ultraviolet. Ngati chirichonse chikuchitidwa molondola, maselo ambiri a tizilombo amafa.

Ponena za chakudya, amakhalanso ndi njira zosiyanasiyana zokonzekera: kudyetsa mafuta, kuteteza, kutentha, kutentha, stewing, kuphika, ndi zina. Izi zimathandiza kuti nthawi yawo yosungirako ikhale yaitali komanso kuwateteza kuti azidya. Koma kutetezedwa kwakukulu kwa mabakiteriya kungakhale ndi vuto: chifukwa cha kusowa kofunika kukhala wokonzeka nthawi zonse, chitetezo cha mthupi chikhoza kufooka. Choncho musakhale achangu kwambiri pa nkhondo ndi mabakiteriya.

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