Summary
Samenvatting Plantenfysiologie Deeltentamen 1
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Een perfecte samenvatting van alle tentamenstof uit de hoor- en werkcolleges. (Samenvatting HC 1 t/m 8)
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3 reviews
By: jennicebuttdevries • 6 year ago
By: StijnBrouwerss • 6 year ago
support it when you start crying
By: maureenvdvalk • 7 year ago
By: Machtijn • 7 year ago
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Samenvatting Plantenfysiologie Deeltentamen ISignalen en signaaltransductie
Exogene signalen:
o Licht (kwaliteit, kwantiteit, richting, lengte)
o Mechanisch (wind, herbivoren etc.)
o Atmosferische luchtvochtigheid
o Andere planten
o Temperatuur
o Bodemnutriënten en -water
o Pathogenen
o Zwaartekracht
o CO2 etc.
Endogene signalen:
o Groeiregulatoren (CK, ethyleen, GA, Auxine, ABA etc.)
o Mechanisch (weefselcompressie en -spanning)
o Verdediging (jasmonzuur, salicylzuur)
o Ontwikkelingsregulatoren
o Metabolieten (suikers, glutamaat)
Responstijd verschilt per responstype
o (Milli)seconden: elektrochemische respons
o Jaren: genetische respons
Signaaltransductie
Plantreceptoren: overal in plantencel (plasmamembraan, kernmembraan etc.)
o Bacteriële oorsprong: afgeleid van two-component system of van fotolyase
o Animaal of fungi gerelateerd: F-box eiwitten, receptor kinases
2+
Ca -flux: belangrijke 2nd messenger
1
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