Odrednice bakterijske prilagodbe kod pojedinačne okolišne promjene

undergraduate thesis

• Title (english): Determinants of bacterial adaptation in a single environmental transition
• Author: Mihael Colar Zanjko
• Mentor: Višnja Bačun-Družina (mentor)
• Granter: University of Zagreb; Faculty of Food Technology and Biotechnology; (Department of Biochemical Engineering); (Laboratory for Biology and Microbial Genetics); Zagreb
• Defense date and country: 2016-07-12, Croatia
• Scientific / art field, discipline and subdiscipline: BIOTECHNICAL SCIENCES; Biotechnology

Abstract

Bakterije su prisutne u svakoj ekološkoj niši. To im je omogućeno zbog njihove sposobnosti da se brzo prilagođavaju okolišnim uvjetima. Gram negativne bakterije su razvile najviše mehanizama prilagodbe koji se aktiviraju tijekom ulaska u stacionarnu fazu rasta, a manifestiraju se preko morfoloških, fizioloških i metaboličkih promjena. Mehanizmi prilagodbe su uglavnom regulirani preko globalnih molekularnih transkripcijskih regulatora. Kako će se bakterijska populacija prilagoditi nakon što prođe pojedinačnu okolišnu promjenu ovisi o povijesti njezine kulture i njezinom genotipu. Ovisno o njezinoj povijesti populacija ne mora biti uniformna, nego može doći do pojave heterogenosti. Heterogenost bakterijske kulture također igra važnu ulogu u prilagodbi bakterijske kulture na nove uvjete kod pojedinačne okolišne promjene.

Abstract (english)

Bacteria are present in every ecological niche. They are able to do that because of their ability to adapt fast to environmental conditions. Gram negative bacteria have the most developed adaptational mechanisms, which are activated upon entry into stationary phase, and manifest themselves through morphological, physiological and metabolic changes. The adaptational mechanisms are regulated through global molecular transcriptional regulators. How a bacterial population will adapt when going through a single environmental transition is dependent on its culture history and genotype. Depending on its culture history the population may not be uniform in that it is heterogenous. Culture heterogenity also plays a crucial role in the adaptation of a bacterial culture when going through an environmental transition.

• Keywords: stacionarna faza rasta; bakterijska prilagodba; mehanizmi odgovora na stres
• Keywords (english): stationary growth phase; bacterial adaptation; stress response mechanisms
• Language: croatian
• URN:NBN: urn:nbn:hr:159:880315
• Study programme: Title: Biotechnology; Study programme type: university; Study level: undergraduate; Academic / professional title: sveučilišni/a prvostupnik/prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka biotehnologije (sveučilišni/a prvostupnik/prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka biotehnologije)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Open access
• Created on: 2017-04-21 12:55:49