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הנהלה מרכז מידע - ספריה תלמידי מחקר יחידה עסקית דוברות מכוני מחקר אודות
שלח באימייל הדפס
 
אבנר כנעני, Ph.D.  :שם
חקר בעלי חייםעופות ומידגה :מחלקה/יחידה
+972-3-9683566 :טלפון
050-6220187 :סלולרי
+972-3-9605667 :פקס
  avnerc@volcani.agri.gov.il :דוא"ל
מכון וולקני, בית דגן :מיקום פיזי
המכון לחקר בעלי חיים
מנהל המחקר החקלאי
ת.ד. 170, בית דגן
50250
תחומי עניין / תאור תפקיד
פיזיולוגיה וגנטיקה של דגים

דף הבית של המעבדה 

 

השכלה 

2006-2007   פוסט-דוקטורט. וירג'יניה טק.

2003-2006   פוסט-דוקטורט. אוניברסיטת ניו המפשייר. 

2004              דוקטורט (מדעי בעלי חיים). האוניברסיטה העברית בירושלים.

1999              מוסמך (מדעי בעלי חיים). האוניברסיטה העברית בירושלים.

1996             בוגר (מדעי בעלי חיים). האוניברסיטה העברית בירושלים. 

 

תחומי המחקר

המחקר במעבדה עוסק בפיזיולוגיה וגנטיקה של דגים עם התמקדות בתכונות בעלות חשיבות לחקלאות מים. הנושא העקרי שבו עוסקת קבוצת המחקר הוא הבנת הבסיס הביולוגי של תגובה והתאמה לעקות סביבתיות בדגי חקלאות המים. אנו משתמשים בפיזיולוגיה, גנטיקה, וגנומיקה השוואתית על מנת ללמוד על גנים ומסלולים ביולוגיים המעורבים בעקות מליחות וטמפרטורה. 

נושאי המחקר כיום הם:

אפיון ותיפקוד טרנספורטרים במערכת העיכול 
עמידות למליחות באמנונים
עמידות לקור באמנונים

חברי המעבדה

טלי ניצן, מנהלת המעבדה.

קמיל בורד, פוסט-דוקטורנטית.

אורורה קמפו, פוסט-דוקטורנטית.

שורוק חאסקיה, סטודנטית למסטר.

יש מקום לסטודנטים חדשים המעונינים להצטרף לקבוצת המחקר


חברי מעבדה בעבר

פזית קון, מאסטר 2015, דוקטורט 2023

פוטיני קוקו, פוסט-דוקטורנטית 2014-2019

ינון דויטש, מאסטר 2017

אייל הללי, מאסטר 2016

טאפן קומר צ׳וראסיה, פוסט-דוקטורנט 2014-2016

דנה רונקין, מאסטר 2015

ענבל בן-טל כהן, פוסט-דוקטורנטית 2012-2013

שחר מלמוד, מאסטר 2013

אריאל וילן, מאסטר 2011
 

פירסומים

 

Articles in Reviewed Journals

53. Con P, Hamar J, Biran J, Kültz D, Cnaani A, (2024). Cell-based homologous expression system for in-vitro characterization of environmental effects on transmembrane peptide transport in fish. Current Research in Physiology, 7:100118.

52. Kim C, Cnaani A, Kültz D, (2023). Removal of evolutionarily conserved functional MYC domains in a tilapia cell line using a vector-based CRISPR/Cas9 systemScientific Reports, 13:12086.

51. Sorensen K, Craig SR, Cnaani A, McLean E, (2023). Hematological response of juvenile cobia to three anesthetics. Fishes, 8:31.

50. Etherington GJ, Nash W, Ciezarek A, Mehta TK, Barria A, Peñaloza C, Khan MGQ, Durant A, Forrester N, Fraser F, Irish N, Kaithakottil G, Lipscombe J, Trong T, Watkins C, Swarbreck D, Angiolini E, Cnaani A, Gharbi K, Houston RD, Benzie JAH, Haerty W, (2022). Chromosome-level genome sequence of the Genetically Improved Farmed Tilapia (GIFT, Oreochromis niloticus) highlights regions of introgression with O. mossambicusBMC Genomics, 23:832.

49. Barki A, Cnaani A, Biran J, (2022). How does temperature affect aggression during and after dominance hierarchy formation in Nile tilapia? Applied Animal Behavior Science, 247:105563.

48. Campo A, Nitzan T, Slosman T, Doron-Faigenboim A, D’Cotta H, Baroiller J-F, Cnaani A, (2022). Different transcriptomic architecture of the gill epithelia in Nile and Mozambique tilapia after salinity challenge. Comparative Biochemistry and Physiology Part D: Genomics & Proteomics, 41:100927.

47. Segev-Hadar A, Slosman T, Rozen A, Sherman A, Cnaani A, Biran J, (2021). Genome editing using CRISPR-Cas9 system to generate a solid-red germlines of Nile tilapia (Oreochromis niloticus). The CRISPR Journal, 4:583-594.

46. Root L, Campo A, MacNiven L, Con P, Cnaani A, Kültz D, (2021). Nonlinear effects of environmental salinity on the gill transcriptome versus proteome of Oreochromis niloticus modulate epithelial cell turnover. Genomics, 113:3235-3249.

45. Root L, Campo A, MacNiven L, Con P, Cnaani A, Kültz D, (2021). A data-independent acquisition (DIA) assay library for quantitation of environmental effects on the kidney proteome of Oreochromis niloticus. Molecular Ecology Resources, 21:2486-2503.

44. Con P, Nitzan T, Slosman T, Cnaani A, (2021). Water salinity and postprandial effects on transcription of peptide and amino acid transporters in the kidney of Mozambique tilapia (Oreochromis mossambicus). Aquaculture, 536:736384.

43. Kokou F, Sasson G, Mizrahi I, Cnaani A, (2020). Antibiotic effect and microbiome persistence vary along the European seabass gut. Scientific Reports, 10:10003.

42. Kokou F, Sasson G, Friedman J, Eyal S, Ovadia O, Harpaz S, Cnaani A, Mizrahi I, (2019). Core gut microbial communities are maintained by beneficial interactions and strain variability in fish. Nature Microbiology, 4:2456-2465.

41. Con P, Nitzan T, Slosman T, Harpaz S, Cnaani A, (2019). Peptide  transporters in the primary gastrointestinal tract of pre-feeding Mozambique tilapia larva. Frontiers in Physiology, 10:808. 

40. Nitzan T, Kokou F, Doron-Faigenboim A, Slosman T, Biran J, Mizrahi I, Zak T, Benet A, Cnaani A, (2019). Transcriptome analysis reveals common and differential response to low temperature exposure between tolerant and sensitive blue tilapia (Oreochromis aureus). Frontiers in Genetics, 10:100.

39. Kokou F, Con P, Barki A, Slosman T, Nitzan T, Mizrahi I, Cnaani A, (2019). Short- and long-term low-salinity acclimation effects on the branchial and intestinal gene expression in the European seabass (Dicentrarchus labrax). Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, 231:11-18.

38. Kokou F, Sasson G, Nitzan T, Doron-Faigenboim A, Harpaz S, Cnaani A, Mizrahi I, (2018). Host genetic selection for cold tolerance shapes microbiome composition and modulates its response to temperature. eLife, 7:e36398.

37. Hallali E, Kokou F, Chourasia TK, Nitzan T, Con P, Harpaz S, Mizrahi I, Cnaani A, (2018). Dietary salt levels affect digestibility, intestinal gene expression, and the microbiome, in Nile tilapia (Oreochromis niloticus). PLoS One13:e0202351.

36. Chourasia TK, D’Cotta H, Baroiller J-F, Slosman T, Cnaani A, (2018). Effects of the acclimation to high salinity on intestinal ion and peptide transporters in two tilapia species differing in their salinity tolerance. Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, 218:16-23.

35. Con P, Nitzan T, Cnaani A, (2017). Salinity dependent shift in the localization of three peptide transporters along the intestine of the Mozambique tilapia (Oreochromis mossambicus). Frontiers in Physiology, 8:8. 

34. Nitzan T, Rozenberg P, Cnaani A, (2017). Differential expression of amino-acid transporters along the intestine of Mozambique tilapia (Oreochromis mossambicus) and the effect of water salinity and time after feedingAquaculture, 472:71-75.

33. Nitzan T, Slosman T, Gutkovich D, Weller JI, Hulata G, Zak T, Benet A, Cnaani A, (2016). Maternal effects in the inheritance of cold tolerance in blue tilapia (Oreochromis aureus). Environmental Biology of Fishes, 99:975-981.

32. Ronkin D, Seroussi E, Nitzan T, Doron-Faigenboim A, Cnaani A, (2015). Intestinal transcriptome analysis revealed differential salinity adaptation between two tilapiine species. Comparative Biochemistry and Physiology Part D: Genomics & Proteomics, 13:35-43.

31. Velan A, Hulata G, Ron M, Slosman T, Shirak A, Cnaani A, (2015). Association between polymorphism in the Prolactin I promoter and growth of tilapia in saline-water. Aquaculture Reports, 1:5-9.

30. Seale AP, Stagg JJ, Yamaguchi Y, Breves JP, Soma S, Watanabe S, Kaneko T, Cnaani A, Harpaz S, Lerner DT, Grau EG, (2014). Effects of salinity and prolactin on gene transcript levels of ion transporters, ion pumps and prolactin receptors in Mozambique tilapia intestine. General and Comparative Endocrinology206:146-154. 

29. Cnaani AHallerman EM, McLean E, (2014). Physiological responses of yellow perch to hypoxia, air exposure and bleeding. North American Journal of Aquaculture76(4):423-429. 

28. Cnaani A, (2013). The tilapias' chromosomes influencing sex determination.Cytogenetic and Genome Research, 141(2-3):195-205. 

27. Cnaani A, McLean E, Hallerman EM, (2013). Effects of growth hormone transgene expression and triploidy on acute stress indicators in Atlantic salmon (Salmo salar L.). Aquaculture, 412:107-116.  

26. Cnaani AStavi A, Smirnov R, Harpaz S, (2012). Rearing white grouper (Epinephelus aeneus) in low salinity water: effects of dietary salt supplementation. The Israeli Journal of Aquaculture - Bamidgeh, 64.2012.760. 

25. Velan A, Hulata G, Ron M, Cnaani A, (2011). Comparative time-course study on pituitary and branchial response to salinity challenge in Mozambique tilapia (Oreochromis mossambicus) and Nile tilapia (O. niloticus). Fish Physiology and Biochemistry37(4):863-873. 

24. Eshel O, Shirak A, Weller JI, Slossman T, Hulata G, Cnaani A, Ron M, (2011). Fine mapping of a locus on linkage group 23 for sex determination in Nile tilapia (Oreochromis niloticus). Animal Genetics, 42(2):222-224.

23. Cnaani A, Hulata G, (2011). Improving salinity tolerance in tilapias: Past experience and future prospects. The Israeli Journal of Aquaculture - Bamidgeh, 63.2011.533.

22. Cnaani A, Barki A, Slosman T, Scharcanski A, Milstein A, Harpaz S, (2010). Dietary salt supplement increases growth rate in freshwater cultured tilapia hybrids. Aquaculture Research, 41(10):1545-1548.

21. Cnaani A, Levavi-Sivan B, (2009). Sexual development in fish, practical applications for aquaculture. Sexual Development, 3(2-3):165-176. 

20. Cnaani A, McLean E, (2009). Time-course response of cobia (Rachycentron canadum) to acute stress. Aquaculture, 289(1-2):140-142.

19. Cnaani A, Kocher TD, (2008). Sex-linked markers and microsatellite locus duplication in the cichlid species Oreochromis tanganicaeBiology Letters, 4(6):700-703. 

18. Cnaani A, Lee B-Y, Zilberman N, Ozouf-Costaz C, Hulata G, Ron M, D'Hont A, Baroiller J-F, D'Cotta H, Penman DJ, Tomasino E, Coutanceau J-P, Pepey E, Shirak A, Kocher TD, (2008). Genetics of sex determination in tilapiine species. Sexual Development, 2(1):43-54.

17. Cnaani A, Lee B-Y, Ozouf-Costaz C, Bonillo C, Baroiller J-F, D'Cotta H, Kocher TD, (2007). Mapping of Sox2 and Sox14 in tilapia (Oreochromis spp.). Sexual Development, 1(3):207-210.

16. Shirak A, Seroussi E, Cnaani A, Howe AE, Domokhovsky R, Zilberman N, Kocher TD, Hulata G, Ron M, (2006). Amh and Dmrta2 genes map to tilapia (Oreochromis spp.) linkage group 23 within QTL regions for sex determination. Genetics, 174(3):1573-1581.

15. Cnaani A, (2006). Genetic perspective on stress and disease resistance in aquaculture. The Israeli Journal of Aquaculture - Bamidgeh, 58(4):375-383.

14. Cnaani A, Zilberman N, Tinman S, Hulata G, Ron M, (2004). Genome-scan analysis for quantitative trait loci in an F2 tilapia hybrid. Molecular Genetics and Genomics, 272(2):162-172.

13. Cnaani A, Tinman S, Avidar Y, Ron M, Hulata G, (2004). Comparative study of biochemical parameters in response to stress in Oreochromis aureus, O. mossambicus and two strains of O. niloticus. Aquaculture Research, 35(15):1434-1440.

12. Moen T, Agresti JJ, Cnaani A, Moses H, Famula TR, Hulata G, Gall GAE, May B, (2004). A genome scan of a four-way tilapia cross supports the existence of a quantitative trait locus for cold tolerance on linkage group 23. Aquaculture Research, 35(9):893-904.

11. Hulata G, Cnaani A, Slossman T, Gall GAE, (2004). Fertility problems in a second generation of a four-species tilapia cross. The Israeli Journal of Aquaculture - Bamidgeh, 56(3):159-165.

10. Cnaani A, Hallerman EM, Ron M, Weller JI, Indelman M, Kashi Y, Gall GAE, Hulata G, (2003). Detection of a chromosomal region with two quantitative trait loci, affecting cold tolerance and fish size, in an F2 tilapia hybrid. Aquaculture, 223(1-4):117-128.

9. Cnaani A, Lee B-Y, Ron M, Hulata G, Kocher TD, Seroussi E, (2003). Linkage mapping of major histocompatibilty complex class I loci in tilapia (Oreochromis spp.). Animal Genetics, 34(5):390-391.

8. Cnaani A, Ron M, Hulata G, Seroussi E, (2002). Fishing in silico: searching for tilapia genes using sequences of microsatellites DNA markers. Animal Genetics, 33(6):474-476.

7. Cnaani A, Ron M, Lee B-Y, Hulata G, Kocher TD, Seroussi E, (2002). Mapping the transferrin gene in tilapia. Animal Genetics, 33(1):78-80.

6. Palti Y, Shirak A, Cnaani A, Hulata G, Avtalion RR, Ron M, (2002). Detection of genes with deleterious alleles in an inbred line of tilapia (Oreochromis aureus). Aquaculture, 206(3-4):151-164.

5. Shirak A, Palti Y, Cnaani A, Korol A, Hulata G, Ron M, Avtalion RR, (2002). Association between loci with deleterious alleles and distorted sex ratios in an inbred line of tilapia (Oreochromis aureus). Journal of Heredity, 93(4):270-276.

4. Palti Y, Shirak A, Cnaani A, Feldmesser E, Avtalion RR, Hulata G, Ron M, (2001). A microsatellite locus has more than one copy in the genome of two tilapia species (Oreochromis aureus and O. niloticus). Animal Genetics, 32(1):40-41.

3. Cnaani A, Gall GAE, Hulata G, (2000). Cold tolerance in tilapia species and hybrids. Aquaculture International, 8(4):289-298.

2. Agresti JJ, Seki S, Cnaani A, Poompuang S, Hallerman EM, Umiel N, Hulata G, Gall GAE, May BP, (2000). Breeding new strains of tilapia: development of an artificial center of origin and linkage map based on AFLP and microsatellite loci. Aquaculture, 185(1-2):43-56.

1. Palti Y, Tinman S, Cnaani A, Avidar Y, Ron M, Hulata G, (1999). Comparative study of biochemical and non-specific immunological parameters in two tilapia species (Oreochromis aureus and O. mossambicus). The Israeli Journal of Aquaculture - Bamidgeh, 51(4):148-156.

Books and Book Chapters

3. Cnaani A, ed. (2009). Sex Determination and Differentiation in Fish. 122 pages, Karger.

2. Cnaani A, Hulata G, (2008). Tilapias. Chapter 4, pages 101-116, in: Genome Mapping and Genomics in Fishes and Aquatic Animals. (TD Kocher and CR Kole, eds.). 180 pages, Springer-Verlag.

1. Korol A, Shirak A, Cnaani A, Hallerman EM, (2007). Detection and analysis of Quantitative Trait Loci (QTLs) for economic traits in aquatic species. Chapter 11, pages 169-197, in: Aquaculture Genome Technologies. (Z Liu, ed.). 584 pages, Blackwell Publishing.

Articles in Non-Reviewed Journals

4. Cnaani A, Velan A, Hulata G, (2011). Improving salinity tolerance in tilapia. Global Aquaculture Advocate, 14(6):28-29. 

3. Cnaani A, Ron M, Tinman S, Zilbeman N, Seroussi E, Hulata G, (2004). Genetic analysis of stress response and production traits in tilapia. Fisheries and Fish Breeding in Israel, 35:767-770. (In Hebrew).

2. Cnaani A, Ron M, Seroussi E, Hulata G, (2002). Genetic analysis of immunological traits in tilapia. Naga, The ICLARM Quarterly, 25:40-41.

1. Cnaani A, Hulata G, (2000). Creation of a 4-species crossbred population of tilapia, study of the genetic variation for cold tolerance in tilapia, and detection of linkage to DNA markers. Fisheries and Fish Breeding in Israel, 32:18-25. (In Hebrew).

מעודכן בתאריך: 14/01/24 14:31
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