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Analysis of subcellular energy metabolism in five Lacertidae lizards across varied environmental conditions
ID
Žagar, Anamarija
(
Avtor
),
ID
Dajčman, Urban
(
Avtor
),
ID
Megía-Palma, Rodrigo
(
Avtor
),
ID
Simčič, Tatjana
(
Avtor
),
ID
Barroso, Frederico M.
(
Avtor
),
ID
Baškiera, Senka
(
Avtor
),
ID
Carretero, Miguel A.
(
Avtor
)
PDF - Predstavitvena datoteka,
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(3,26 MB)
MD5: 803343097CD6F84477FF871B7D084E83
URL - Izvorni URL, za dostop obiščite
https://www.sciencedirect.com/science/article/pii/S1095643324001569
Galerija slik
Izvleček
Aerobic respiration is the main energy source for most eukaryotes, and efficient mitochondrial energy transfer greatly influences organismal fitness. To survive environmental changes, cells have evolved to adjust their biochemistry. Thus, measuring energy metabolism at the subcellular level can enhance our understanding of individual performance, population dynamics, and species distribution ranges. We investigated three important metabolic traits at the subcellular level in five lacertid lizard species sampled from different elevations, from sea level up to 2000 m. We examined hemoglobin concentration, two markers of oxidative stress (catalase activity and carbonyl concentration) and maximum rate of metabolic respiration at the subcellular level (potential metabolic activity at the electron transport system). The traits were analysed in laboratory acclimated adult male lizards to investigate the adaptive metabolic responses to the variable environmental conditions at the local sampling sites. Potential metabolic activity at the cellular level was measured at four temperatures – 28 °C, 30 °C, 32 °C and 34 °C – covering the range of preferred body temperatures of the species studied. Hemoglobin content, carbonyl concentration and potential metabolic activity did not differ significantly among species. Interspecific differences were found in the catalase activity, Potential metabolic activity increased with temperature in parallel in all five species. The highest response of the metabolic rate with temperature (Q$_{10}$) and Arrhenius activation energy (E$_a$) was recorded in the high-mountain species Iberolacerta monticola.
Jezik:
Angleški jezik
Ključne besede:
physiology
,
lacertids
,
aerobic respiration
,
interspecific variability
,
hemoglobin
,
zoology
Vrsta gradiva:
Članek v reviji
Tipologija:
1.01 - Izvirni znanstveni članek
Organizacija:
BF - Biotehniška fakulteta
Status publikacije:
Objavljeno
Različica publikacije:
Objavljena publikacija
Leto izida:
2024
Št. strani:
10 str.
Številčenje:
Vol. 297, art. 111729
PID:
20.500.12556/RUL-160683
UDK:
591
ISSN pri članku:
1095-6433
DOI:
10.1016/j.cbpa.2024.111729
COBISS.SI-ID:
206128131
Datum objave v RUL:
03.09.2024
Število ogledov:
65
Število prenosov:
42
Metapodatki:
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Gradivo je del revije
Naslov:
Comparative biochemistry and physiology. Part A, Molecular & integrative physiology
Skrajšan naslov:
Comp. biochem. physiol., Part A Mol. integr. physiol.
Založnik:
Elsevier
ISSN:
1095-6433
COBISS.SI-ID:
43809025
Licence
Licenca:
CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:
http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:
To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
Sekundarni jezik
Jezik:
Slovenski jezik
Ključne besede:
fiziologija
,
kuščarice
,
aerobna respiracija
,
medvrstna variabilnost
,
hemoglobin
,
zoologija
,
Lacertidae
Projekti
Financer:
ARIS - Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije
Številka projekta:
P1-0255
Naslov:
Združbe, interakcije in komunikacije v ekosistemih
Financer:
ARIS - Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije
Številka projekta:
J1-2466
Naslov:
WETADAPT - prilagoditveni in plastični potencial fiziologije ektotermov za odzivanje na podnebne spremembe
Financer:
ARIS - Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije
Program financ.:
Young researchers
Financer:
FCT - Fundação para a Ciência e a Tecnologia, I.P.
Številka projekta:
CEECIND/04084/2017
Financer:
Drugi - Drug financer ali več financerjev
Program financ.:
Universidade do Porto, Instituto de Ciências, Tecnologias e Agroambiente (ICETA)
Financer:
FCT - Fundação para a Ciência e a Tecnologia, I.P.
Številka projekta:
SFRH/BD/147535/2019
Naslov:
“Developing, testing and deploying new tools and methods for ecophysiological and field research and conservation – an applied focus on squamates and crocodilians” Título anterior: Winners and losers in a changing environment: A functional approach to the ecology and conservation of crocodilian communities
Akronim:
SFRH/BD/147535/2019
Financer:
Drugi - Drug financer ali več financerjev
Program financ.:
ICNF (Portugal)
Financer:
FCT - Fundação para a Ciência e a Tecnologia, I.P.
Program financ.:
9471 - RIDTI
Številka projekta:
PTDC/BIA-CBI/28014/2017
Naslov:
A reptile model and 3600 m of altitudinal gradient to infer the ectotherm responses to global change in Portugal
Akronim:
GCRESPONSE
Financer:
FCT - Fundação para a Ciência e a Tecnologia, I.P.
Številka projekta:
2022.03391.PTDC
Financer:
EC - European Commission
Program financ.:
Erasmus+
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