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Sekundarni metaboliti v navadni konoplji (Cannabis sativa L.) in njihova vloga pri obrambi rastline pred škodljivci in patogeni
ID Bitežnik, Luka (Author), ID Dermastia, Marina (Author), ID Trdan, Stanislav (Author)

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Abstract
Navadna konoplja (Cannabis sativa L.) je razširjena rastlina z zapleteno fitokemijo in bogatim sekundarnim metabolizmom. Sekundarni metaboliti so snovi, katerih vloga je interakcija rastline z okoljem. Njihova sinteza je pogojena s prisotnostjo stresa in je energetsko zelo potratna. Rastline varujejo pred škodljivci in patogeni ter abiotskimi dejavniki. V konoplji so v največji meri prisotni kanabinodi, terpenodi in flavonoidi, skoncentrirani v socvetjih ženskih rastlin. Njihova ekološka vloga in delovanje ni povsem raziskano. Kanabinoidi Δ-9-trans-tetrahidrokanabinol (Δ9-THC), kanabidiolna kislina (CBDA) in drugi naj bi bili vpleteni v antioksidativne procese in obrambni sistem rastline, zaradi prostorsko izolirane sinteze in citotoksičnih stranskih produktov. Ob prisotnosti stresa pride do povečanja njihove vsebnosti in spremembe kemijskega profila. Stres aktivira stresne signalne molekule – jasmonsko kislino in njene derivate, ki vplivajo na sproščanje terpenodiov, ter poveča izražanje genov v fenilpropanoidni poti, ki je ključna za sintezo flavonoidov. Sekundarni metaboliti delujejo sinergično in v povezavi z mikrobiomom – endofitnimi bakterijami in glivami – negativno vplivajo na škodljive organizme ter varujejo rastlino.

Language:Slovenian
Keywords:Cannabis sativa, flavonoidi, kanabinoidi, navadna konoplja, terpenoidi, patogeni, škodljivci
Work type:Article
Typology:1.02 - Review Article
Organization:BF - Biotechnical Faculty
Publication status:Published
Publication version:Version of Record
Year:2023
Number of pages:12 str.
Numbering:Letn. 66, št. 1
PID:20.500.12556/RUL-148240 This link opens in a new window
UDC:632
ISSN on article:1854-3073
COBISS.SI-ID:160678147 This link opens in a new window
Publication date in RUL:04.08.2023
Views:303
Downloads:35
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Record is a part of a journal

Title:Acta biologica slovenica
Publisher:Društvo biologov Slovenije, Društvo biologov Slovenije, Založba Univerze v Ljubljani, Društvo biologov Slovenije
ISSN:1854-3073
COBISS.SI-ID:221921024 This link opens in a new window

Licences

License:CC BY-SA 4.0, Creative Commons Attribution-ShareAlike 4.0 International
Link:http://creativecommons.org/licenses/by-sa/4.0/
Description:This Creative Commons license is very similar to the regular Attribution license, but requires the release of all derivative works under this same license.

Secondary language

Language:English
Title:Secondary metabolites of hemp (Cannabis sativa L.) and their role in defence against pests and pathogens
Keywords:cannabinoids, Cannabis sativa, hemp, flavonoids, pests, pests, pathogens, terpenoids

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