J 2019

Nitric oxide affects cadmium-induced changes in the lichen Ramalina farinacea

KOVACIK, Jozef, Slawomir DRESLER, Giuseppe MICALIZZI, Petr BABULA, Juraj HLADKY et. al.

Základní údaje

Originální název

Nitric oxide affects cadmium-induced changes in the lichen Ramalina farinacea

Autoři

KOVACIK, Jozef (703 Slovensko, garant), Slawomir DRESLER (616 Polsko), Giuseppe MICALIZZI (380 Itálie), Petr BABULA (203 Česká republika, domácí), Juraj HLADKY (703 Slovensko) a Luigi MONDELLO (380 Itálie)

Vydání

NITRIC OXIDE-BIOLOGY AND CHEMISTRY, SAN DIEGO, ACADEMIC PRESS INC ELSEVIER SCIENCE, 2019, 1089-8603

Další údaje

Jazyk

angličtina

Typ výsledku

Článek v odborném periodiku

Obor

10608 Biochemistry and molecular biology

Stát vydavatele

Spojené státy

Utajení

není předmětem státního či obchodního tajemství

Odkazy

Impakt faktor

Impact factor: 3.311

Kód RIV

RIV/00216224:14110/19:00112789

Organizační jednotka

Lékařská fakulta

UT WoS

000456636100002

Klíčová slova anglicky

Antioxidants; Fluorescence microscopy; Heavy metals; Oxidative stress; Photobiont; Polyunsaturated fatty acids

Štítky

Příznaky

Mezinárodní význam, Recenzováno
Změněno: 28. 1. 2020 10:00, Mgr. Tereza Miškechová

Anotace

V originále

Metabolic responses of epiphytic lichen Ramalina farinacea to cadmium (Cd) and/or nitric oxide (NO) scavenger (cPTIO) were studied. Accumulation of Cd and other metallic nutrients was not affected by cPTIO while total and absorbed amounts differed. Cd-induced NO formation was suppressed by cPTIO but ROS signal was synergistically enhanced, confirming that NO is essential to keep ROS under control. This excessive ROS generation could be a reason for depleted amount of all fatty acids, including SFAs, MUFAs and PUFAs. Total content of fatty acids reached 3.89 mg/g DW in control with linoleic (40%), palmitic (24%), oleic (12.8%) and stearic (8%) acids as major compounds: interestingly, shift in relative ratio of saturated (from 40 to 35% of total FM) versus polyunsaturated fatty acids (from 42 to 48% of total FM) was observed. Glutathione was suppressed by all treatments but Krebs acids were almost unaffected by cPTIO, indicating no regulatory role of NO in their accumulation. On the contrary, Cd-induced elevation in NO signal was related to increase in ascorbate and proline content while cPTIO suppressed it, indicating a tight relation between NO and these metabolites. Data are compared also with algae and vascular plants to show similarities between various life lineages.