TsimScience

Nyob kab mob rau hauv lub plab: lub npe. Lub ntsiab lus ntawm cov kab mob nyob rau hauv tib neeg lub neej

Feem ntau yog cov me me thiab muag pom tsis tau tus liab qab qhov muag, qhov inhabitants ntawm peb ntiaj chaw - yog ib tug me me kab mob, fungi thiab cov kab mob. Ib tug ntau ntawm lawv, tus nqi rau billions. Lawv lub luag hauj lwm nyob rau hauv qhov thiab tib neeg lub neej sib txawv, kev soj ntsuam mas nws txawv ntawm zoo los ntawm nruab nrab kom zoo. Xav txog dab tsi tus neeg sawv cev ntawm cov kab mob tau kawm nyob rau hauv nyob sib ze nrog tib neeg muaj tus kab mob, thiab yuav ua li cas ib qho tseem ceeb lawv yog.

Cov kab mob - sia nyob

Cov no yog cov feem ntau thaum ub uas nyob rau lub ntiaj chaw yog ib leeg-celled kab mob ntawm me me luaj li cas. Nws yog lub npe hu hais tias cov approximate lub sij hawm ntawm lawv cov tshwm sim - 3.5 billion xyoo dhau los. Rau ib ntev lub sij hawm sib nrug los ntawm lawv tsis muaj lwm yam nyob creatures rau lub ntiaj teb twb tsis tau. Tsuas ces nws pib ib tug sai txheej txheem ntawm cov evolution, thiab lub neej pib lub paj nyob rau hauv tag nrho nws cov ntau haiv neeg.

Tib neeg tau kawm ntau yam txog kab mob xwb nyob rau hauv lub xyoo pua XVII, los ntawm tej hauj lwm ntawm Antoni van Leeuwenhoek. Nws yog qhov no tus paub txog invented thawj magnification, los ntawm kev uas koj yuav pom cov me me creatures.

C tau sau loj theoretical khoom, paub tseeb hais tias los ntawm cov tswv yim kev tshawb fawb tshaj lub sij hawm. Cov neeg ua muaj ntaub ntawv qhia txog yuav ua li cas zoo li microbes, uas muaj cov qauv, nws tau txiav txim tus nqi ntawm cov kab mob nyob rau hauv ib tug neeg lub neej.

yam ntxwv nta

Yog li, nws tau los ua tseeb hais tias cov kab mob - ib tug prokaryotic kab mob, xws li, tsis muaj raws li ib feem ntawm nws cov tawb muab lub nucleus. Nyob rau hauv tas li ntawd, lawv yog yus ib tug xov tooj ntawm cov nram qab no nta nyob rau hauv lub phenotype thiab Internal qauv ntawm:

  1. Lub cev zoo tej zaum yuav sib txawv: kheej kheej (coccus), rodlike (Bacillus) nyob rau hauv daim ntawv ntawm bunches ntawm cov txiv hmab (staphylococci), vibrio, spirillum, thiab lwm tus neeg.
  2. Tej zaum yuav muaj ib, tab sis feem ntau tsim tag nrho zos.
  3. Xim nyob rau hauv feem ntau tus neeg mob tsis muaj, tab sis ib txhia ntaub ntawv yuav ua tau zoo nkauj ntshav los yog ntsuab. Feem ntau cov feem ntau tsuas zos yog vim tso rau hauv lub cheeb tsam ntawm tshwj xeeb pigments.
  4. Cov kev tshuaj ntsuam genetic khoom nyob rau hauv lub cell muaj cov DNA molecule uas yog faib nyob rau hauv qhov chaw ntawm lub qauv.
  5. Lub zog nyob rau hauv qhov chaw rau cov nuj nqis ntawm flagella, roj vacuoles ntswg lej capsule lub cev txheej.
  6. Sab nraum lub cev yog them los ntawm ib tug cell phab ntsa thiab capsule, uas yog cov txheej txheem ntawm nyob rau hauv tag nrho cov cell organelles.
  7. Yam ntxwv xeem cov hlwb zoo li cov uas nyob rau hauv cov tsiaj, cog lug. Properties yog carbohydrate los yog lipid droplet inclusions kev khiav hauj lwm lub zog muaj nuj nqi.
  8. Es tsis txhob nyob rau hauv lub cell nucleus yog tam sim no nucleoid muaj ib tug DNA strand.

Ua tau nyob kab mob muaj heev ib qho kev nthuav qauv. Txoj kev ua neej cov kab mob no kuj hu ua hlawv xav zaum ib ncig ntawm lub ntiaj teb no. Los ntawm lawv txoj kev ua hauj lwm noob neej tau txais kev nkag mus rau lub tshiab cov ntaub ntawv uas yog undoubtedly tseem ceeb heev rau science raws li ib tug tag nrho thiab nws cov neeg sectors. Lub Scope ntawm no tsab xov xwm tsis pub mus sib tham txog tag nrho cov teeb meem nyob rau hauv ntau yam. Yog li ntawd, peb yuav tsom tsuas yog nyob rau hauv lub tswv yim xwb ntawm cov kab mob, thiab ntawm lawv lub luag hauj lwm thiab tseem ceeb nyob rau hauv peb lub neej.

Cov duab ntawm tus kab mob lub neej

Ua tsaug rau cov zoo kawg unpretentiousness rau lub tsev tej yam kev mob, cov kab mob twb tau mus kis tau thoob plaws lub ntiaj teb. Tej no yog tsis obstacles tsis txias, los yog siab dhau heev lawm kub los yog acidic los yog yooj yim, cov av salinity. Cov kab mob, cov duab uas yuav muaj nyob rau hauv ib tsab xov xwm nyob:

  • dej;
  • huab cua;
  • av;
  • kub thermal springs;
  • suab puam;
  • daus thiab cov dej khov;
  • anoxic yeej.

Nws yog tseeb hais tias cov kis ntawm cov creatures qhov txhia chaw. Nws yog ib qhov nyuaj rau nrhiav kom tau li ib tug tshaj plaws nyob rau hauv tej cheeb tsam nyob rau hauv uas cov kab mob tsis tau tau ntsib. Txawm lub purest caij nplooj ntoos hlav dej muaj lawv nyob rau hauv loj txaus ntau.

Lub neej ntawm cov kab mob yog txo mus rau qhov siv dab: kev noj haus, tu tub tu kiv, zog nyob rau hauv kev tshawb fawb ntawm cov zaub mov, qhov kev paub ntawm cov nyom tej yam kev mob. Raws li nrog rau tag nrho cov tib-celled, lwm yam hom phiaj ntawm lub neej, lawv muaj tsis tau.

Los ntawm txoj kev ntawm noj, uas yog, lub zog haum, lawv muab faib ua:

  • autotrophs;
  • heterotrophs.

Cov thawj pab pawg neeg no muaj xws li ntau yam kab mob. Duab yuav pom hauv qab no. Nyob rau hauv kev, nyob rau hauv lawv muaj xws li cov pab pawg.

  1. Photosynthetic - lawv tus kheej ntxiv zog los ntawm lub hnub los ntawm photosynthesis.
  2. Hemosintetiki - oxidized inorganic compound (leej faj, nitrogen, hlau) thiab nqa lawv mus rau hauv lub organics.
  3. Methane los yog methylotrophs - siv lub zog ntawm oxidation ntawm carbonaceous khoom mus rau cov nqi.

Heterotrophic hom haus ready-made organic tebchaw. Yog xav tau cov kab mob siv ntau txoj kev. Yog li, peb yuav paub qhov txawv peb pawg neeg ntawm cov heterotrophic kab mob:

  • saprophytes - decomposed seem uas twb tuag lawm cov nroj tsuag thiab cov tsiaj;
  • symbionts - nkag mus rau hauv thiab ob tog pab co-hav zoov nrog tus tswv;
  • cab - siab phem thiab puas ntaub ntawv ntawm cov kev kho mob ntawm tus tswv tsev.

Nws tseem yog tseem ceeb heev kev ua si ntawm cov kab mob yog lwm feature - sporulation. Thaum lub sij hawm tsis tshua muaj neeg phiv tej yam kev mob nyob rau hauv lub cell yog muaj peev xwm cheem tag nrho cov kev ntawm lub neej thiab seemed poob pw tsaug zog, them nrog ib tug tuab plhaub. Qhov no mob yog hu ua ib tug spore. Txij li thaum lub cev yuav nyob rau xyoo lawm, ua nyob rau hauv tos rau hauv txoj cai ib puag ncig tej yam kev mob. Cov noob yog cov tsis tshua resistant rau freezing thiab thermal kho mob txawm ntev.

Yuav kom tib neeg

Qhov tseeb hais tias tus kab mob nyob rau hauv lo lus nug - peb qhov companions thoob plaws hauv koj lub neej, nws tau pom ib zaug. Ib tug loj luag hauj lwm nyob rau hauv kev tsim kom muaj tseeb no ua si I. I. Mechnikov. Nws yog nws leej twg muaj ib tug series ntawm ntau yam kev tshawb fawb qhov tseeb tiag tseem ceeb heev ntawm cov kab mob nyob rau hauv ib tug neeg lub neej.

Nws hloov tawm hais tias peb cov tawv nqaij, lub qog ua kua week ntawm lub qhov ntswg thiab qhov ncauj, lub puab ib feem ntawm tus mob huam, lub pelvic kabmob - tag nrho cov lug yog densely populated los ntawm ntau yam ntaub ntawv ntawm cov kab mob. Lawv pab tau peb tua kab mob, los zom cov khoom noj, mus purify lawv tus kheej los ntawm lub sab hauv. Lawv tus kheej es tsis txhob tau zoo nyob tej yam kev mob thiab kev noj haus. Xws li, nyob kab mob nyob rau hauv ib tus neeg nyob nrog nws nyob ze symbiosis.

Yog hais tias ntxhov lub ntuj hnyuv muaj, daim tawv nqaij, mob plab, thiab lwm yam kabmob, cov neeg tsim ntau yam kab mob, feem ntau tshwm sim nyob rau hauv ib tug heev heev daim ntawv. Uas yog vim li cas tus zaum, cov kws kho mob thiab microbiologists tau tsim probiotics. Nws kab mob los ntawm cov kab mob nyob tej hom, uas yuav pab kom replenish thiab restore lub ntuj microflora.

Qhov no tus nqi yog tsis yog tas rau prokaryotes. Txiv neej siv lawv nyob rau hauv ua liaj ua teb, khoom noj khoom haus kev lag luam, qhov chaw kev lag luam, science thiab technology, biosynthesis thiab molecular biology uas thiab ntau lwm teb.

Nyob kab mob rau hauv lub plab: lub npe

Yog hais tias peb tham txog tej yam kev cov ntaub ntawv microbes uas nyob rau cov tib neeg sab hauv, tus thawj tshaj plaws yuav tsum kom paub tias cov feem ntau "nplua nuj" rau ntawm qhov chaw - cov hnyuv. Nws yog ib qhov lub cev muaj li ntawm ob peb kev sib cais thiab ncav cuag ib ntev (nyob rau hauv cov neeg laus) los 12 m, yog lub zoo meej hauv tsev rau ib tug ntau yam ntawm cov neeg sawv cev ntawm prokaryotes.

Muaj ob hom, muaj raws ntawm ob peb cov tsev neeg thiab ib tug ntau yam ntawm hom thiab cov hom uas tsis txhob cia li nyob hauv lub hais tias lub cev thiab yog qhov tseem ceeb rau txhua tus tib neeg. Qhov no yog ib tug nyob kab mob rau txoj hnyuv, lub genus lub npe uas yog cov lus hais nyob rau hauv Lavxias teb sab li cov Lactobacillus thiab bifidobaktrium.

Txhua yam ntawm cov tseem ceeb luag hauj lwm nyob rau hauv lub metabolic kev ntawm txoj hnyuv. Yog li ntawd, peb xav txog lawv nyob rau hauv kom meej.

Cov kab mob ntawm cov genus Lactobacillus: tus yam ntxwv thiab tus nqi

Nyob kab mob rau cov hnyuv, lub npe ntawm tus genus Lactobacillus uas suab zoo li - cov no yog cov natural inhabitants ntawm lub plab hnyuv microflora nyob rau hauv ib txwm tej yam kev mob. Lawv muaj ib tug zoo ntxim rau cov zuag qhia tag nrho kev mob ntawm lub cev, vim hais tias:

  • stepping li cov ua hauj lwm ntawm ntau yam tseem ceeb enzymes thiab proteins muab kev koom tes nyob rau hauv tiv thaiv kab mob dab;
  • ua raws li antagonists rau pathogenic microbes, xa lub cev los ntawm tshuaj muaj taug;
  • leeb kho tau (regenerative) dab nyob rau hauv lub qog ua kua week, thiab hais txog.

Nws yog ib cov kab mob yog siv nyob rau hauv qhov siv thiab ua khoom noj siv mis. Hais tias yog, lawv hom muaj nyob rau hauv lub oob khab lis kev cai ntawm ntau hom ntawm kev tsim kho rau:

  • nyob yoghurt;
  • kua mis nyeem qaub;
  • kua mis nyeem qaub;
  • cocktails thiab lwm yam khoom.

Hom ntawm no genus yog muaj ntau prokaryotes. Yog li ntawd, lub rooj yog hais hauv qab no. Tus kab mob ntawm no taxon, uas nyob hauv cov hnyuv, yuav tsum muaj nyob rau hauv daim ntawv teev cov neeg sawv cev, nrog rau nws lub npe.

genus ntawm cov kab mob

Cov tsev neeg thiab hom

Lub ntsiab lub luag hauj lwm ntawm

lactobacilli

Lactobacillus acidophilus

Nws muaj lub peev xwm tsim lactic acid nyob rau hauv loj qhov ntau, li no suppressing thiab inhibiting pathogenic microbes. Restores microflora, sai sai thiab lawm nyob rau hauv lub plab. Siv nyob rau hauv nyob tus yeees ntawm cov tshuaj, khoom noj khoom haus acidophilus.

Bulgarian Bacillus

Lub ntsiab thaj chaw ntawm no kab mob yuav muab suav hais tias nyias.

Lactobacillus /

Lactobacillus casei

Los ntawm lub cev: txo cov ntshav siab, thiaj li muaj cov kev pheej hmoo ntawm gastritis thiab ulcers, muaj ib tug anti-mob nyhuv, muaj feem xyuam rau cov metabolism thiab pab txoj kev regularity thiab zoo ntawm lub rooj zaum.

Lactococcus: diatsetilaktis, kremoris

Ntuj microflora cov neeg sawv cev yog tsis, tiam sis, siv nyob rau hauv qhov siv thiab ua cov mis nyuj cov khoom, cheese. Cuam tshuam rau zus tau tej cov tej yam enzymes.

tus kab mob Streptococcus thermophilus

Nws muaj txhawb rau normalization ntawm tus mob huam thiab tshem tawm cov kab mob.

Leykonostok lactis

Nyob rau hauv lub chav kawm ntawm lub neej ntaub ntawv lub protein molecules uas tua kab mob thiab pathogenic microbes.

Lactobacillus Reuter

Nws pib paub txog lawv xwb nyob rau hauv lub XX caug xyoo. Txawm li cas los, kev tshawb fawb zaum ntawm ntau lub teb chaws pom tau hais tias cov kab mob yog ib feem ntawm tus mob huam ntawm cov tsiaj. Nyob rau hauv tib neeg ib tug tseem ceeb ib feem ntawm lub microflora yog tseem muaj li ntawm kab mob los ntawm no hom.

Lactobacillus Reuter - ib tug nyob kab mob rau txoj hnyuv, uas tau muab lub npe ntawm tus German microbiologist, thawj cais thiab qhia los ntawm lawv cov pab pawg neeg koom rau cov lactobacilli. Lawv tseem ceeb yog tib yam li hais tias ntawm tag nrho cov neeg uas nyob hauv cov hnyuv ntawm cov saum toj no.

Bulgarian yoghurt raws li ib tug qhov chaw ntawm "Lactobacillus bulgaricus"

Qhov no lub cev twb tshwm sim tus naas ej immunologist I. I. Mechnikovym. Nws yog nws leej twg ua ntej kos mloog mus rau lub fact yuav ua li cas pab tau cov khoom tsim nyob rau hauv lub hauv paus ntawm lub neej ntawm no kab mob.

Yuav ua li cas yog cov kev pab cuam?

  1. Kev txhim kho cov hauj lwm ntawm cov hnyuv.
  2. Ntxiv dag zog rau lub cev.
  3. Kev loj hlob ntawm pab microelements thiab cov amino acids.
  4. Me me laxative los.
  5. Purification ntawm pathogenic bacilli.

Bifidobacteria: tus yam ntxwv thiab tus nqi

Yuav kom qhov no genus yog nyob kab mob, uas yog cov nram qab no cov npe:

  • angulatum;
  • animalis;
  • asteroidus;
  • bifidum;
  • longum;
  • Magnum;
  • Subtitle thiab lwm tus neeg.

Tsuas muaj li 35 hom ntawm cov kab mob no. Tshwm sim tawm lub loj feem ntau ntawm plab hnyuv kab mob (txog 80-90% ntawm tag nrho cov luj ntawm neeg). Tus nqi ntawm cov nram qab no:

  1. Cov txij nkawm ntawm homeostasis.
  2. Strengthening thiab tsim ntawm kev tiv thaiv.
  3. Txoj kev loj hlob ntawm cov vitamins thiab enzymes.
  4. Txum Tim Rov Qab qub microflora.
  5. Active kev koom tes nyob rau hauv lub metabolism.

"Bifidobaktrium animalis"

Lawv muaj xws li ob subtypes thiab ob peb kab mob los ntawm kab mob pas nrig-zoo li tus, me ntsis bent daim ntawv. Siv ib tug active ib feem nyob rau hauv lub normalization ntawm cov quav, yog li lug siv nyob rau hauv qhuav ntawm ntau yam probiotics thiab tshuaj, raws li zoo raws li cov zaub mov.

"Bifidobaktrium bifidum" - antagonist

Lub ntsiab txiav txim no yog raws li nyob rau hauv lub antagonistic zog. Cov kab mob no yog tau inhibit pathogenic cov kab mob thiab restore lub cev ua hauj lwm li qub. Tsis tas li ntawd ua rau kom lub strengthening ntawm kev tiv thaiv, txij li thaum khoom vitamins, enzymes thiab protein molecules tau phagocytosis ntawm txawv teb chaws lub cev.

Lub luag hauj lwm ntawm cov kab mob nyob rau hauv cov xwm

Nws yog yeej tseem ceeb thiab multifaceted. Txawm li cas los, peb yeej paub lub ntsiab dab nyob rau hauv cov xwm, uas tsis dispense nrog tus kab mob nyob rau hauv lo lus nug:

  1. Lub cycling ntawm qhov teeb meem. Nrog ntsiab (nitrogen, carbon, sulfur, hlau).
  2. Av tsim.
  3. Decomposition ntawm cov organic seem.

Yog li, cov kab mob nyob rau hauv cov xwm ua si ib tug heev tseem ceeb luag hauj lwm, ua nyob rau hauv ze kev koom tes nrog rau tag nrho lwm cov nyob quavntsej.

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