Mechanisms coordinating auxin metabolism and transport
Mechanismy koordinace metabolismu a transportu auxinu
bachelor thesis (DEFENDED)

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http://hdl.handle.net/20.500.11956/126351Identifiers
Study Information System: 231562
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- Kvalifikační práce [20312]
Author
Advisor
Consultant
Müller, Karel
Referee
Serre, Nelson Bernard Calixte
Faculty / Institute
Faculty of Science
Discipline
Molecular Biology and Biochemistry of Organisms
Department
Department of Experimental Plant Biology
Date of defense
28. 5. 2021
Publisher
Univerzita Karlova, Přírodovědecká fakultaLanguage
English
Grade
Very good
Keywords (Czech)
auxinový metabolismus, auxinový transportKeywords (English)
auxin metabolism, auxin transportAuxín je malá molekula, ktorá funguje ako rastlinný hormón a nachádza sa v rôznych formách, z ktorých je kyselina indol-3-octová (IAA) najštudovanejšia. IAA moduluje rast, delenie a diferenciáciu bunky generovaním lokálnych gradientov a je taktiež dôležitá skoro v každom aspekte rastu a vývoja rastlín. Tieto gradienty sú ustanovené pomocou kooperácie biosyntézy IAA, jej metabolizmu a transportu. Rastlina reaguje na obe auxínové lokálne minima a maxima, a teda je dôležité úzko regulovať metabolizmus a transport auxínu. Veľa štúdií sa zaoberá jednotlivými úlohami a reguláciou metabolizmu a transportu auxínu oddelene, avšak zriedka sa diskutuje o spolupráci a spoločnej regulácii týchto dvoch procesov. Preto je cieľom tejto práce zhrnúť mechanizmy a reguláciu metabolizmu a transportu auxínu, ako celok, nie samostatne, a zdôrazniť význam spolupráce metabolizmu a transportu auxínu v procesoch vývoja rastlín.
Auxin is a small molecule that functions as a plant hormone, and it exists in several forms, of which indole-3-acetic acid (IAA) is the most studied one. IAA modulates cell elongation, division, and differentiation by generating local gradients, and it is essential for almost every aspect of plant growth and development. These gradients are established by the cooperation of IAA biosynthesis, metabolism, and transport. A plant responds to both local auxin maxima and minima; thus, it is necessary to regulate auxin metabolism and transport tightly. However, lots of studies show the roles and regulation of auxin metabolism and transport separately, providing quite rarely discussion on the cooperation of these two processes. Hence, this thesis aims to sum up and refer to mechanisms and regulation of auxin metabolism and transport as a whole, rather than separately, and underline the importance of the cooperation of both auxin metabolism and transport in the plant development.