ABA says NO to UV-B: a universal response?
Abscisic acid (ABA) signaling pathways have been widely characterized in plants, whereas the function of ABA in animals is less well understood. However, recent advances show ABA production by a wide range of lower animals and higher mammals. This enables a new evaluation of ABA signaling pathways in different organisms in response to common environmental stress, such as ultraviolet (UV)-B. In this opinion article, we propose that the induction of common signaling components, such as ABA, nitric oxide (NO) and Ca(2+), in plant and animal cells in response to high doses of UV-B, suggests that the evolution of a general mechanism activated by UV-B is conserved in divergent multicellular organisms challenged by a changing common environment.
Instituto de Investigaciones Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Mar del Plata, Argentina.
Vanesa
V
Tossi
Raul
R
Cassia
Santina
S
Bruzzone
Elena
E
Zocchi
Lorenzo
L
Lamattina
D000040:Abscisic Acid / Q000502:physiology* / Q000528:radiation effects; D000595:Amino Acid Sequence; D000818:Animals; D002118:Calcium / Q000502:physiology; D006801:Humans; D008954:Models, Biological; D008969:Molecular Sequence Data; D009569:Nitric Oxide / Q000502:physiology*; D010802:Phylogeny; D010944:Plants / Q000378:metabolism; D016415:Sequence Alignment; D015398:Signal Transduction / Q000187:drug effects* / Q000528:radiation effects; D013312:Stress, Physiological / Q000187:drug effects* / Q000502:physiology; D014466:Ultraviolet Rays
D009569:Nitric Oxide; D000040:Abscisic Acid; D002118:Calcium