[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.usulov.sk\/mikrobiologia-vo-vesmire-ako-mikrogravitacia-ovplyvnuje-ludsku-dna\/#Article","mainEntityOfPage":"https:\/\/www.usulov.sk\/mikrobiologia-vo-vesmire-ako-mikrogravitacia-ovplyvnuje-ludsku-dna\/","headline":"Mikrobiol\u00f3gia vo vesm\u00edre: Ako mikrogravit\u00e1cia ovplyv\u0148uje \u013eudsk\u00fa DNA","name":"Mikrobiol\u00f3gia vo vesm\u00edre: Ako mikrogravit\u00e1cia ovplyv\u0148uje \u013eudsk\u00fa DNA","description":"Vesm\u00edr u\u017e po st\u00e1ro\u010dia fascinuje \u013eudstvo. S rozvojom kozmonautiky sa n\u00e1\u0161 vz\u0165ah k vesm\u00edru prehlbuje. Ka\u017ed\u00e1 misia do kozmu n\u00e1s pos\u00fava bli\u017e\u0161ie k pochopeniu toho, ako vesm\u00edrne prostredie ovplyv\u0148uje \u013eudsk\u00e9 telo. Jedn\u00fdm z najzauj\u00edmavej\u0161\u00edch a najmenej presk\u00faman\u00fdch aspektov je vplyv mikrogravit\u00e1cie na na\u0161u DNA. Mikrogravit\u00e1cia, stav takmer \u00faplnej beztia\u017ee, m\u00e1 na \u013eudsk\u00e9 telo mno\u017estvo \u00fa\u010dinkov, […]","datePublished":"2023-10-26","dateModified":"2023-10-26","author":{"@type":"Person","@id":"https:\/\/www.usulov.sk\/author\/#Person","name":"","url":"https:\/\/www.usulov.sk\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/6808215d501bdbb001ef3734be3cdad1be23596de78c590ed2ac5868fce74c95?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/6808215d501bdbb001ef3734be3cdad1be23596de78c590ed2ac5868fce74c95?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"usulov.sk","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.usulov.sk\/wp-content\/uploads\/1._3.jpg","url":"https:\/\/www.usulov.sk\/wp-content\/uploads\/1._3.jpg","height":0,"width":0},"url":"https:\/\/www.usulov.sk\/mikrobiologia-vo-vesmire-ako-mikrogravitacia-ovplyvnuje-ludsku-dna\/","about":["Veda"],"wordCount":396,"articleBody":"Vesm\u00edr u\u017e po st\u00e1ro\u010dia fascinuje \u013eudstvo. S rozvojom kozmonautiky sa n\u00e1\u0161 vz\u0165ah k vesm\u00edru prehlbuje. Ka\u017ed\u00e1 misia do kozmu n\u00e1s pos\u00fava bli\u017e\u0161ie k pochopeniu toho, ako vesm\u00edrne prostredie ovplyv\u0148uje \u013eudsk\u00e9 telo. Jedn\u00fdm z najzauj\u00edmavej\u0161\u00edch a najmenej presk\u00faman\u00fdch aspektov je vplyv mikrogravit\u00e1cie na na\u0161u DNA. Mikrogravit\u00e1cia, stav takmer \u00faplnej beztia\u017ee, m\u00e1 na \u013eudsk\u00e9 telo mno\u017estvo \u00fa\u010dinkov, ktor\u00e9 nie s\u00fa mo\u017en\u00e9 za\u017ei\u0165 na Zemi. Ke\u010f astronauti str\u00e1via t\u00fd\u017edne alebo mesiace v tomto prostred\u00ed, ich tel\u00e1 prech\u00e1dzaj\u00fa z\u00e1sadn\u00fdmi zmenami. Okrem zmien v hustote kost\u00ed a svalovej hmote doch\u00e1dza aj k procesom na molekul\u00e1rnej \u00farovni. DNA, ktor\u00e1 nesie na\u0161e genetick\u00e9 inform\u00e1cie, je vystaven\u00e1 vplyvu tohto extr\u00e9mneho prostredia.V\u00fdskumy nazna\u010duj\u00fa, \u017ee mikrogravit\u00e1cia m\u00f4\u017ee zvy\u0161ova\u0165 \u00farove\u0148 oxida\u010dn\u00e9ho stresu a z\u00e1palov\u00fdch reakci\u00ed, ktor\u00e9 m\u00f4\u017eu po\u0161kodi\u0165 DNA. Po\u0161kodenie DNA m\u00f4\u017ee by\u0165 sp\u00f4soben\u00e9 aj zv\u00fd\u0161enou expoz\u00edciou kozmick\u00e9mu \u017eiareniu, ktor\u00e9 prenik\u00e1 ochrann\u00fdm \u0161t\u00edtom Zeme a zasahuje do buniek astronautov. Tento proces m\u00f4\u017ee vies\u0165 k mut\u00e1ci\u00e1m a zmen\u00e1m v genetickom k\u00f3de, ktor\u00e9 m\u00f4\u017eu ma\u0165 dlhodob\u00e9 n\u00e1sledky na zdravie. Jedn\u00fdm z najzn\u00e1mej\u0161\u00edch v\u00fdskumov v tejto oblasti je \u0161t\u00fadia dvoj\u010diat NASA, ktor\u00e1 sk\u00famala \u00fa\u010dinky ro\u010dn\u00e9ho pobytu astronauta Scotta Kellyho na Medzin\u00e1rodnej vesm\u00edrnej stanici.Po jeho n\u00e1vrate na Zem vedci zistili, \u017ee jeho telo pre\u0161lo zmenami, ktor\u00e9 sa prejavili aj na genetickej \u00farovni. Niektor\u00e9 z t\u00fdchto zmien sa po n\u00e1vrate na Zem vr\u00e1tili do p\u00f4vodn\u00e9ho stavu, av\u0161ak in\u00e9 pretrvali, \u010do vyvol\u00e1va ot\u00e1zky o dlhodob\u00fdch d\u00f4sledkoch vesm\u00edrnych misi\u00ed. Hoci je st\u00e1le ve\u013ea nejasnost\u00ed, jedno je jasn\u00e9: mikro gravit\u00e1cia a kozmick\u00e9 prostredie maj\u00fa z\u00e1sadn\u00fd vplyv na \u013eudsk\u00e9 telo a DNA. Preto je d\u00f4le\u017eit\u00e9 pokra\u010dova\u0165 v tomto v\u00fdskume, aby sme lep\u0161ie porozumeli tomu, ako zabezpe\u010di\u0165 zdravie astronautov po\u010das dlhodob\u00fdch vesm\u00edrnych misi\u00ed. Mo\u017eno pr\u00e1ve tieto objavy n\u00e1m raz umo\u017enia bezpe\u010dne cestova\u0165 na Mars a e\u0161te \u010falej, bez ob\u00e1v z trval\u00fdch n\u00e1sledkov na na\u0161u genetick\u00fa v\u00fdbavu.                                                                                                                                                                                                                                                                                                                                                                                        4\/5 - (9 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Mikrobiol\u00f3gia vo vesm\u00edre: Ako mikrogravit\u00e1cia ovplyv\u0148uje \u013eudsk\u00fa DNA","item":"https:\/\/www.usulov.sk\/mikrobiologia-vo-vesmire-ako-mikrogravitacia-ovplyvnuje-ludsku-dna\/#breadcrumbitem"}]}]