Comparative Tissue Responses of Marine Mollusks on Seasonal Changes in the Northern Adriatic Sea

被引:5
|
作者
Topic Popovic, Natalija [1 ,2 ]
Krbavcic, Martina [3 ]
Barisic, Josip [4 ]
Beer Ljubic, Blanka [5 ]
Strunjak-Perovic, Ivancica [1 ,2 ]
Babic, Sanja [1 ,2 ]
Lorencin, Vanesa [6 ]
Matulic, Daniel [7 ]
Tomljanovic, Tea [7 ]
Coz-Rakovac, Rozelindra [1 ,2 ]
机构
[1] Rudjer Boskovic Inst, Lab Aquaculture Biotechnol, Bijenicka 54, Zagreb 10000, Croatia
[2] Rudjer Boskovic Inst, Sci Ctr Excellence Marine Bioprospecting BioProCr, Bijenicka Cesta 54, Zagreb 10000, Croatia
[3] CROMARIS Dd, Gazenicka Cesta 4b, Zadar 23000, Croatia
[4] Univ West Scotland, Sch Hlth & Life Sci, Paisley PA1 2BE, Renfrew, Scotland
[5] Univ Zagreb, Fac Vet Med, Heinzelova 55,10, Zagreb 10000, Croatia
[6] FLAG Istarski Svoj, 154 Brigade Hrvatske Vojske 5, Pazin 52000, Croatia
[7] Univ Zagreb, Fac Agr, Svetosimunska 25, Zagreb 10000, Croatia
来源
APPLIED SCIENCES-BASEL | 2021年 / 11卷 / 06期
关键词
Adriatic Sea; Istria; Haliotis tuberculata; Pecten jacobaeus; tissue biochemistry; histology; LINNAEUS; 1758; LIPID-PEROXIDATION; DIGESTIVE GLAND; PECTEN-MAXIMUS; SCALLOP; GASTROPODA; BIVALVE; GROWTH; MUSSEL; VALUES;
D O I
10.3390/app11062874
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
In the shallow Northern Adriatic, marine mollusks are affected by bottom trawling and seafood disturbance. Seasonal oscillations of oceanographic factors additionally influence their physiology, stress responses and survival. Tissue responses to seasonal variations in green ormer (Haliotis tuberculata L.) and Mediterranean scallop (Pecten jacobaeus L.) in the Northern Adriatic have not been reported. Hence, their biochemical and antioxidant defense properties over seasons were studied and the microanatomical structure of their tissue was correlated with function. Histological analysis of gonads revealed two peaks of gonadal maturation and spawning during the spring/summer period and winter season for scallops, and one peak during the fall for ormers. The gonadal maturation of both species was correlated with their seasonal variations of metabolic demands and antioxidant capacity. The lipid vacuoles of tubuloacinar terminations in the digestive gland differed between the two species; in scallop they are several-fold larger in size and number. Low temperatures in winter contributed to a decline in enzymatic antioxidant defense in scallop tissues, having lower superoxide dismutase (SOD) and glutathione peroxidase (GPx) activity, and higher concentrations of thiobarbituric acid reactive substances (TBARS) and total antioxidant status (TAS). In ormers, winter induced lower TAS, TBARS, SOD and GPx concentrations. The significant difference of winter TAS and TBARS levels between ormers and scallops was correlated with variations in their reproductive cycles, as well as in antioxidant defense systems. The most important factor for stress-related parameters for both species in this work was found to be the season-induced temperature change.
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页数:12
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