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Výrostková J, Regecová I, Zigo F, Marcinčák S, Kožárová I, Kováčová M, Bertová D. Detection of Gluten in Gluten-Free Foods of Plant Origin. Foods 2022; 11:foods11142011. [PMID: 35885254 PMCID: PMC9317630 DOI: 10.3390/foods11142011] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 06/27/2022] [Accepted: 07/03/2022] [Indexed: 02/04/2023] Open
Abstract
The work deals with the issue of standardization and more accurate methodology for the isolation of gluten DNA in gluten-free products of plant origin, which is more demanding due to the more complex structure of plant cells. Three isolation methods were compared, of which the combination of glass and zirconium beads, Proteinase K and a commercially produced isolation kit was confirmed to be the most effective procedure. The given isolation procedure was more effective in one-component gluten-free foods, where the concentration of the obtained DNA ranged from 80.4 ± 0.7 to 99.0 ± 0.0 ng/µL. The subsequent PCR reaction revealed the presence of gluten not only in guaranteed gluten-free products (40%), but also in naturally gluten-free foods (50%). These were mainly gluten-free sponge cakes, gluten-free biscuits “Cranberries”, cocoa powder, coffee “3in1”, and instant coffee.
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Affiliation(s)
- Jana Výrostková
- Department of Food Hygiene Technology and Safety, University of Veterinary Medicine and Pharmacy in Košice, Komenského 73, 041 81 Košice, Slovakia; (J.V.); (S.M.); (I.K.); (M.K.); (D.B.)
| | - Ivana Regecová
- Department of Food Hygiene Technology and Safety, University of Veterinary Medicine and Pharmacy in Košice, Komenského 73, 041 81 Košice, Slovakia; (J.V.); (S.M.); (I.K.); (M.K.); (D.B.)
- Correspondence: ; Tel.: +421-907-185-658
| | - František Zigo
- Department of Nutrition and Animal Husbandry, University of Veterinary Medicine and Pharmacy in Košice, Komenského 73, 041 81 Košice, Slovakia;
| | - Slavomír Marcinčák
- Department of Food Hygiene Technology and Safety, University of Veterinary Medicine and Pharmacy in Košice, Komenského 73, 041 81 Košice, Slovakia; (J.V.); (S.M.); (I.K.); (M.K.); (D.B.)
| | - Ivona Kožárová
- Department of Food Hygiene Technology and Safety, University of Veterinary Medicine and Pharmacy in Košice, Komenského 73, 041 81 Košice, Slovakia; (J.V.); (S.M.); (I.K.); (M.K.); (D.B.)
| | - Mariana Kováčová
- Department of Food Hygiene Technology and Safety, University of Veterinary Medicine and Pharmacy in Košice, Komenského 73, 041 81 Košice, Slovakia; (J.V.); (S.M.); (I.K.); (M.K.); (D.B.)
| | - Daniela Bertová
- Department of Food Hygiene Technology and Safety, University of Veterinary Medicine and Pharmacy in Košice, Komenského 73, 041 81 Košice, Slovakia; (J.V.); (S.M.); (I.K.); (M.K.); (D.B.)
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Vaithiyanathan S, Vishnuraj MR, Narender Reddy G, Srinivas C. Authentication of camel meat using species-specific PCR and PCR-RFLP. Journal of Food Science and Technology 2021; 58:3882-3889. [PMID: 34471312 DOI: 10.1007/s13197-020-04849-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 09/19/2020] [Accepted: 10/08/2020] [Indexed: 10/23/2022]
Abstract
In India and some of the African countries, one of the unconventional meats receiving the latest attention in meat adulteration is camel meat. So, the objective of this study was to develop a species-specific PCR based on mitochondrial cytochrome b (CYTB) gene and a PCR-RFLP assay of mitochondrial 12S rRNA to identify camel meat in suspected samples. Known sample of camel meat, samples suspected to be from illegally slaughtered camel and known samples of cattle, buffalo, sheep, goat, pork and chicken were used in the study. DNA were extracted from all samples following spin column method and PCR amplification were carried out using both CYTB and 12S rRNA gene primers. The CYTB gene amplification produced amplicon with a size of 435 bp without any non-specific spurious amplification towards other species studied. Further, the 12S rRNA PCR products were analysed both by sequencing and by RFLP using enzyme AluI. On BLAST analysis the 448 bp sequence obtained from suspected samples showed > 99% sequence homology to previously reported Camelus dromedaries (accession no: AM 9369251.1). On AluI digestion of the 448 bp product from both known and suspected camel samples, a specific RFLP pattern with three distinct products of 90, 148 and 210 bp size were evident, which were significantly different from the pattern of cattle, sheep, goat, chicken and buffalo. Further, after in-house validation, this cost effective and rapid method of camel meat identification is placed into practice for regular screening of vetero-legal samples in the lab.
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Affiliation(s)
- S Vaithiyanathan
- ICAR- National Research Centre on Meat, Chengicherla, Hyderabad, Telangana 500092 India
| | - M R Vishnuraj
- ICAR- National Research Centre on Meat, Chengicherla, Hyderabad, Telangana 500092 India
| | - G Narender Reddy
- ICAR- National Research Centre on Meat, Chengicherla, Hyderabad, Telangana 500092 India
| | - Ch Srinivas
- ICAR- National Research Centre on Meat, Chengicherla, Hyderabad, Telangana 500092 India
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THOMAS R, SAIKIA M, SINGHA S, BARUAH Z, KALITA R, SAHARIA N, RAJKHOWA S. PCR based method for authentication of pork in raw and processed products as well as in binary meat mixtures. THE INDIAN JOURNAL OF ANIMAL SCIENCES 2021. [DOI: 10.56093/ijans.v91i1.113219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
In this study, amplification of species-specific marker of mitochondrial DNA origin was carried out to detect pork in raw, processed and meat mixtures containing varying concentrations of pork, viz. 1, 10, 50, 75 and 100%. The species-specific marker for pork was tested in raw pork from different breeds/varieties of pig such as Hampshire, Yorkshire, Ghungroo, Duroc, Rani, and Asha. The size of the amplified product was 290 bp in all the breeds/ varieties. The results were consistent in processed pork products, viz. frankfurter sausage, salami, cocktail sausage, pork slice, ham, and pork curry which were subjected to different cooking temperatures ranging from 75 to 121°C. In case of all the mixtures with different concentrations of pork, similar results were observed. Subsequently, this marker was tested for cross-amplification by checking them with beef, carabeef, mutton, chevon, chicken, and duck meat and no amplification was observed. The results suggested that the DNA marker used in this study is highly species-specific and reliable to detect pork adulteration, unambiguously, in raw, processed as well as in meat mixtures containing pork. This technique is rapid, simple and economical as compared to other methods of pork adulteration detection.
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4
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Rapid detection of fraudulence in seven commercial shrimp products by species-specific PCR assays. Food Control 2021. [DOI: 10.1016/j.foodcont.2021.107871] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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5
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Boughattas F, Karoui R. Mid infrared spectroscopy combined with chemometric tools for the identification of canned tuna species in brine. J Food Compost Anal 2021. [DOI: 10.1016/j.jfca.2020.103717] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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6
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Dong CM, Park YJ, Noh JK, Noh ES, An CM, Kang JH, Park JY, Kim EM. Development of Species-Specific PCR Primers for the Rapid and Simultaneous Identification of the Six Species of Genus Takifugu. Dev Reprod 2019; 23:367-375. [PMID: 31993542 PMCID: PMC6985294 DOI: 10.12717/dr.2019.23.4.367] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 09/29/2019] [Accepted: 10/17/2019] [Indexed: 11/17/2022]
Abstract
Pufferfish (Takifugu spp.) are economically important edible marine fish. Mistakes in pufferfish classification can lead to poisoning; therefore, accurate species identification is critical. In this study, we used the mtDNA cytochrome c oxidase subunit I gene (COI) to design specific primers for six Takifugu species among the 21 domestic or imported pufferfish species legally sold for consumption in Korea. We rapidly and simultaneously identified these pufferfish species using a highly efficient, multiplex polymerase chain reaction (PCR) system with the six species-specific primers. The results showed that species-specific multiplex PCR (multiplex species-specific polymerase chain reaction; MSS-PCR) either specifically amplified PCR products of a unique size or failed. MSS-PCR yielded amplification fragment lengths of 897 bp for Takifugu pardalis, 822 bp for T. porphyreus, 667 bp for T. niphobles, 454 bp for T. poecilonotus, 366 bp for T. rubripes, and 230 bp for T. xanthpterus using the species-specific primers and a control primer (ca. 1,200 bp). We visualized the results using agarose gel electrophoresis to obtain accurate contrasts of the six Takifugu species. MSS-PCR analysis is easily performed and provides identification results within 6 h. This technique is a powerful tool for the discrimination of Takifugu species and will help prevent falsified labeling, protect consumer rights, and reduce the risk of pufferfish poisoning..
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Affiliation(s)
- Chun Mae Dong
- Biotechnology Research Division, National Institute of
Fisheries Science, Busan 46083,
Korea
| | - Yeon Jung Park
- Biotechnology Research Division, National Institute of
Fisheries Science, Busan 46083,
Korea
| | - Jae Koo Noh
- Biotechnology Research Division, National Institute of
Fisheries Science, Busan 46083,
Korea
| | - Eun Soo Noh
- Biotechnology Research Division, National Institute of
Fisheries Science, Busan 46083,
Korea
| | - Cheul Min An
- Biotechnology Research Division, National Institute of
Fisheries Science, Busan 46083,
Korea
| | - Jung-Ha Kang
- Biotechnology Research Division, National Institute of
Fisheries Science, Busan 46083,
Korea
| | - Jung Youn Park
- Biotechnology Research Division, National Institute of
Fisheries Science, Busan 46083,
Korea
| | - Eun-Mi Kim
- Biotechnology Research Division, National Institute of
Fisheries Science, Busan 46083,
Korea
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7
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Non-Targeted Identification of Brine Covered Canned Tuna Species Using Front-Face Fluorescence Spectroscopy Combined with Chemometric Tools. FOOD ANAL METHOD 2019. [DOI: 10.1007/s12161-019-01638-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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8
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Dolch K, Judas M, Schwägele F, Brüggemann D. Development and validation of two triplex real-time PCR systems for the simultaneous detection of six cereal species in processed meat products. Food Control 2019. [DOI: 10.1016/j.foodcont.2019.02.025] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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9
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Identification and quantification of tuna species in canned tunas with sunflower medium by means of a technique based on front face fluorescence spectroscopy (FFFS). Food Control 2019. [DOI: 10.1016/j.foodcont.2019.02.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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10
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Vaithiyanathan S, Vishnuraj MR, Reddy GN, Kulkarni VV. Application of DNA technology to check misrepresentation of animal species in illegally sold meat. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2018. [DOI: 10.1016/j.bcab.2018.10.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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11
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Ahmed N, Sangale D, Tiknaik A, Prakash B, Hange R, Sanil R, Khan S, Khedkar G. Authentication of origin of meat species processed under various Indian culinary procedures using DNA barcoding. Food Control 2018. [DOI: 10.1016/j.foodcont.2018.02.012] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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12
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Liao J, Liu Y. Purification procedures meaningfully influence DNA quantification in milk. Lebensm Wiss Technol 2018. [DOI: 10.1016/j.lwt.2018.04.031] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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13
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El Sheikha AF, Mokhtar NFK, Amie C, Lamasudin DU, Isa NM, Mustafa S. Authentication technologies using DNA-based approaches for meats and halal meats determination. FOOD BIOTECHNOL 2017. [DOI: 10.1080/08905436.2017.1369886] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Aly Farag El Sheikha
- Department of Biology, McMaster University, Hamilton, Ontario, Canada
- Department of Food Science and Technology, Faculty of Agriculture, Minufiya University, Shibin El Kom, Egypt
| | - Nur Fadhilah Khairil Mokhtar
- Laboratory of Halal Products Research Institute, Halal Products Research Institute, Universiti Putra Malaysia (UPM), Selangor, Malaysia
| | - Ceesay Amie
- Department of Microbiology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia (UPM), Selangor, Malaysia
| | - Dhilia Udie Lamasudin
- Department of Cell and Molecular Biology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia (UPM), Selangor, Malaysia
| | - Nurulfiza Mat Isa
- Department of Cell and Molecular Biology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia (UPM), Selangor, Malaysia
| | - Shuhaimi Mustafa
- Laboratory of Halal Products Research Institute, Halal Products Research Institute, Universiti Putra Malaysia (UPM), Selangor, Malaysia
- Department of Microbiology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia (UPM), Selangor, Malaysia
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14
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Quantitative SYBR Green qPCR technique for the detection of the nematode parasite Anisakis in commercial fish-derived food. Int J Food Microbiol 2017; 261:89-94. [DOI: 10.1016/j.ijfoodmicro.2017.05.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Revised: 05/12/2017] [Accepted: 05/15/2017] [Indexed: 11/23/2022]
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15
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Alonso-Rebollo A, Ramos-Gómez S, Busto MD, Ortega N. Development and optimization of an efficient qPCR system for olive authentication in edible oils. Food Chem 2017; 232:827-835. [PMID: 28490146 DOI: 10.1016/j.foodchem.2017.04.078] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Revised: 11/10/2016] [Accepted: 04/13/2017] [Indexed: 10/19/2022]
Abstract
The applicability of qPCR in olive-oil authentication depends on the DNA obtained from the oils and the amplification primers. Therefore, four olive-specific amplification systems based on the trnL gene were designed (A-, B-, C- and D-trnL systems). The qPCR conditions, primer concentration and annealing temperature, were optimized. The systems were tested for efficiency and sensitivity to select the most suitable for olive oil authentication. The selected system (D-trnL) demonstrated specificity toward olive in contrast to other oleaginous species (canola, soybean, sunflower, maize, peanut and coconut) and showed high sensitivity in a broad linear dynamic range (LOD and LOQ: 500ng - 0.0625pg). This qPCR system enabled detection, with high sensitivity and specificity, of olive DNA isolated from oils processed in different ways, establishing it as an efficient method for the authentication of olive oil regardless of its category.
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Affiliation(s)
- Alba Alonso-Rebollo
- Department of Biotechnology and Food Science, University of Burgos, Plaza Misael Bañuelos, s/n, 09001 Burgos, Spain
| | - Sonia Ramos-Gómez
- Department of Biotechnology and Food Science, University of Burgos, Plaza Misael Bañuelos, s/n, 09001 Burgos, Spain
| | - María D Busto
- Department of Biotechnology and Food Science, University of Burgos, Plaza Misael Bañuelos, s/n, 09001 Burgos, Spain
| | - Natividad Ortega
- Department of Biotechnology and Food Science, University of Burgos, Plaza Misael Bañuelos, s/n, 09001 Burgos, Spain.
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16
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Caldwell JM. Food Analysis Using Organelle DNA and the Effects of Processing on Assays. Annu Rev Food Sci Technol 2017; 8:57-74. [DOI: 10.1146/annurev-food-030216-030216] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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17
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Bojolly D, Doyen P, Le Fur B, Christaki U, Verrez-Bagnis V, Grard T. Development of a qPCR Method for the Identification and Quantification of Two Closely Related Tuna Species, Bigeye Tuna (Thunnus obesus) and Yellowfin Tuna (Thunnus albacares), in Canned Tuna. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:913-920. [PMID: 28085274 DOI: 10.1021/acs.jafc.6b04713] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Bigeye tuna (Thunnus obesus) and yellowfin tuna (Thunnus albacares) are among the most widely used tuna species for canning purposes. Not only substitution but also mixing of tuna species is prohibited by the European regulation for canned tuna products. However, as juveniles of bigeye and yellowfin tunas are very difficult to distinguish, unintentional substitutions may occur during the canning process. In this study, two mitochondrial markers from NADH dehydrogenase subunit 2 and cytochrome c oxidase subunit II genes were used to identify bigeye tuna and yellowfin tuna, respectively, utilizing TaqMan qPCR methodology. Two different qPCR-based methods were developed to quantify the percentage of flesh of each species used for can processing. The first one was based on absolute quantification using standard curves realized with these two markers; the second one was founded on relative quantification with the universal 12S rRNA gene as the endogenous gene. On the basis of our results, we conclude that our methodology could be applied to authenticate these two closely related tuna species when used in a binary mix in tuna cans.
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Affiliation(s)
- Daline Bojolly
- Université Littoral Côte d'Opale , EA 7394 - ICV - Institut Charles Viollette, USC Anses - ULCO, F-62200 Boulogne-sur-Mer, France
- Laboratoire d'Océanologie et de Géosciences, UMR 8187 (ULCO, Lille 1, CNRS) , 62930 Wimereux, France
- PFINV , F-62200 Boulogne-sur-Mer, France
| | - Périne Doyen
- Université Littoral Côte d'Opale , EA 7394 - ICV - Institut Charles Viollette, USC Anses - ULCO, F-62200 Boulogne-sur-Mer, France
- Université Lille , F-59000 Lille, France
- Université Artois , F-62000 Arras, France
- INRA , France
- ISA , F-59000 Lille, France
| | | | - Urania Christaki
- Laboratoire d'Océanologie et de Géosciences, UMR 8187 (ULCO, Lille 1, CNRS) , 62930 Wimereux, France
| | | | - Thierry Grard
- Université Littoral Côte d'Opale , EA 7394 - ICV - Institut Charles Viollette, USC Anses - ULCO, F-62200 Boulogne-sur-Mer, France
- Université Lille , F-59000 Lille, France
- Université Artois , F-62000 Arras, France
- INRA , France
- ISA , F-59000 Lille, France
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18
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Tian C, Guo W, Liang XF, Sun L, Lv L, Zhao C, Song Y, He S. Identification of species-specific microsatellite markers in three Siniperca species by RNA-Seq. BIOCHEM SYST ECOL 2017. [DOI: 10.1016/j.bse.2016.10.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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19
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Vaithiyanathan S, Kulkarni VV. Species identification of cattle and buffalo fat through PCR assay. Journal of Food Science and Technology 2016; 53:2077-82. [PMID: 27413237 DOI: 10.1007/s13197-016-2198-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 02/23/2016] [Accepted: 03/08/2016] [Indexed: 10/21/2022]
Abstract
A method was standardized to isolate quality DNA from cattle and buffalo fat for species identification using QIAamp DNA stool mini kit. The quality of the DNA was sufficient enough to amplify universal primers viz., mt 12S rRNA and mt 16S rRNA, and species specific D loop primers for cattle and buffalo. The sensitivity of the PCR assay in the species specific D loop primer amplification was with a detection level of 0. 47 ng cattle DNA and 0.23 ng buffalo DNA in simplex and, 0. 47 ng cattle DNA and 0.12 ng buffalo DNA in duplex PCR. It is a potentially reliable method for DNA detection to authenticate animal fat.
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Affiliation(s)
- S Vaithiyanathan
- National Research Centre on Meat, Chengicherla, P.B. No. 19, PO Boduppal, Hyderabad, 500092 India
| | - V V Kulkarni
- National Research Centre on Meat, Chengicherla, P.B. No. 19, PO Boduppal, Hyderabad, 500092 India
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20
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Mitchell JK, Hellberg RS. Use of the Mitochondrial Control Region as a Potential DNA Mini-Barcoding Target for the Identification of Canned Tuna Species. FOOD ANAL METHOD 2016. [DOI: 10.1007/s12161-016-0460-3] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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21
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Abdullah A, Rehbein H. The differentiation of tuna (family: Scombridae) products through the PCR-based analysis of the cytochrome b gene and parvalbumin introns. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2016; 96:456-464. [PMID: 25639273 DOI: 10.1002/jsfa.7111] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2014] [Revised: 01/16/2015] [Accepted: 01/26/2015] [Indexed: 06/04/2023]
Abstract
BACKGROUND In spite of the many studies performed over the years, there are still problems in the authentication of closely related tuna species, not only for canned fish but also for raw products. With the aim of providing screening methods to identify different tuna species and related scombrids, segments of mitochondrial cytochrome b (cyt b) and nuclear parvalbumin genes were amplified and sequenced or subjected to single-strand conformation polymorphism (SSCP) and restriction fragment length polymorphism (RFLP) analyses. RESULTS The nucleotide diagnostic sites in the cyt b gene of five tuna species from Indonesia were determined in this study and used to construct a phylogenetic tree. In addition, the suitability of the nuclear gene that encodes parvalbumin for the differentiation of tuna species was determined by SSCP and RFLP analyses of an intron segment. RFLP differentiated Thunnus albacares and from T. obesus, and fish species in the Thunnus genus could be distinguished from bullet tuna (Auxis rochei) by SSCP. CONCLUSIONS Parvalbumin-based polymerase chain reaction systems could serve as an additional tool in the detection and identification of tuna and other Scombridae fish species for routine seafood control. This reaction can be performed in addition to the cyt b analysis as previously described.
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Affiliation(s)
- Asadatun Abdullah
- Department of Safety and Quality of Milk and Fish Products, Max Rubner Institute, 22767, Hamburg, Germany
- Department of Aquatic Product Technology, Bogor Agricultural University, Bogor, Indonesia
| | - Hartmut Rehbein
- Department of Safety and Quality of Milk and Fish Products, Max Rubner Institute, 22767, Hamburg, Germany
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22
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DNA Barcoding as a Molecular Tool to Track Down Mislabeling and Food Piracy. DIVERSITY-BASEL 2015. [DOI: 10.3390/d8010002] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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23
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Qin P, Hong Y, Kim HY. Multiplex-PCR Assay for Simultaneous Identification of Lamb, Beef and Duck in Raw and Heat-Treated Meat Mixtures. J Food Saf 2015. [DOI: 10.1111/jfs.12252] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Pei Qin
- Department of Food Science and Biotechnology; Institute of Life Sciences and Resources, Kyung Hee University; Yongin Korea
| | - Yeun Hong
- Department of Food Science and Biotechnology; Institute of Life Sciences and Resources, Kyung Hee University; Yongin Korea
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24
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Kumar A, Kumar RR, Sharma BD, Mendiratta SK, Gokulakrishnan P, Kumar D, Sharma D. Authentication of goat (Capra hircus) meat using PCR amplification of mitochondrial cytochrome b gene. Small Rumin Res 2015. [DOI: 10.1016/j.smallrumres.2015.07.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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25
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Ramos-Gómez S, Busto MD, Albillos SM, Ortega N. Novel qPCR systems for olive (Olea europaea L.) authentication in oils and food. Food Chem 2015; 194:447-54. [PMID: 26471578 DOI: 10.1016/j.foodchem.2015.08.036] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2015] [Revised: 07/20/2015] [Accepted: 08/11/2015] [Indexed: 11/24/2022]
Abstract
The traceability of olive oil is an unresolved issue that remains a challenge. In this field, DNA-based techniques are very powerful tools for discrimination that are less negatively influenced by environmental conditions than other techniques. More specifically, quantitative real time PCR (qPCR) achieves a high degree of sensitivity, although the DNA that it can directly isolate from these oils presents drawbacks. Our study reports the analysis of eight systems, in order to determine their suitability for olive detection in oil and oil-derived foodstuffs. The eight systems were analyzed on the basis of their sensitivity and specificity in the qPCR assay, their relative sensitivity to olive DNA detection and DNA mixtures, their sensitivity and specificity to olive in vegetable oils and the detection of olive in commercial products. The results show that the PetN-PsbM system, designed in this study, is a suitable and reliable technique in relation to olive oil and olive ingredients in both food authentication and food safety processes.
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Affiliation(s)
- Sonia Ramos-Gómez
- Department of Biotechnology and Food Science, University of Burgos, Plaza Misael Bañuelos, s/n, 09001 Burgos, Spain
| | - María D Busto
- Department of Biotechnology and Food Science, University of Burgos, Plaza Misael Bañuelos, s/n, 09001 Burgos, Spain
| | - Silvia M Albillos
- Department of Biotechnology and Food Science, University of Burgos, Plaza Misael Bañuelos, s/n, 09001 Burgos, Spain
| | - Natividad Ortega
- Department of Biotechnology and Food Science, University of Burgos, Plaza Misael Bañuelos, s/n, 09001 Burgos, Spain.
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Lievens A, Petrillo M, Querci M, Patak A. Genetically modified animals: Options and issues for traceability and enforcement. Trends Food Sci Technol 2015. [DOI: 10.1016/j.tifs.2015.05.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Přívětivá L, Stehno P, Putnová L, Dvořák J. Identification of the species and individual animals in the processed meat products by PCR - based analyses. ACTA UNIVERSITATIS AGRICULTURAE ET SILVICULTURAE MENDELIANAE BRUNENSIS 2015. [DOI: 10.11118/actaun200452050061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Musto M, Faraone D, Cellini F, Musto E. Changes of DNA quality and meat physicochemical properties in bovine supraspinatus muscle during microwave heating. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2014; 94:785-791. [PMID: 24122804 DOI: 10.1002/jsfa.6441] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2012] [Revised: 06/27/2013] [Accepted: 10/02/2013] [Indexed: 06/02/2023]
Abstract
BACKGROUND The responses of foods to microwave exposure are usually evaluated only in terms of physicochemical properties, thus undervaluing the importance of DNA in an authentication process by methods based on polymerase chain reaction (PCR). In this study, the time effect of microwave heating on some meat physicochemical properties and DNA quality has been investigated. RESULTS Cooking loss, instrumental colour, pH and other physicochemical parameters varied significantly during microwave cooking, reaching the lowest/highest values after 2.5 min of cooking. The exposure of meat to microwaves was found to affect characteristically the quality of extracted DNA (i.e. yield, purity and degradation). PCR products of both mitochondrial and nuclear regions were successfully observed in all samples. However, the band for large fragments became progressively fainter as treatment time increased. CONCLUSIONS Microwave heating caused physicochemical changes in bovine supraspinatus muscle and influenced characteristically the yield and integrity of the extracted DNA, indicating that an accurate DNA quantification and a rational choice of the genes (i.e. mtDNA versus nDNA, fragment size, etc.) to be amplified are fundamental in an authentication process by PCR-based methods.
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Osman AA, Aradaib IE, Musa OA. Detection of Caprine-specific Nucleic Acid Sequences in Goat Milk Using Polymerase Chain Reaction. Mater Sociomed 2014; 25:105-8. [PMID: 24493993 PMCID: PMC3769079 DOI: 10.5455/msm.2013.25.105-108] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2013] [Accepted: 04/05/2013] [Indexed: 11/14/2022] Open
Abstract
Conflict of interest: none declared.
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Affiliation(s)
- Asim A Osman
- Molecular Biology Laboratory, Department of Clinical Medicine, Faculty of Veterinary Medicine, University Khartoum , Sudan ; Department of Physiology, Faculty of Medicine, Gadarif University , Gadarif, Sudan
| | - Imadeldin E Aradaib
- Molecular Biology Laboratory, Department of Clinical Medicine, Faculty of Veterinary Medicine, University Khartoum , Sudan
| | - Omer A Musa
- Department of Physiology, Faculty of Medicine, The National Ribat University , Khartoum, Sudan
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Cho YA, Kim EM, Kim MJ, Kang JH, Dong CM, An HS, An CM, Park MA, Park JY. A rapid and simple method for distinguishing two mitten crabs (Eriocheir sinensis and Eriocheir japonica) in Korea using PCR-RFLP and PCR. Food Control 2014. [DOI: 10.1016/j.foodcont.2013.07.040] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Sequence Characterization of Mitochondrial 12S rRNA Gene in Mouse Deer (Moschiola indica) for PCR-RFLP Based Species Identification. Mol Biol Int 2014; 2013:783925. [PMID: 24455258 PMCID: PMC3885226 DOI: 10.1155/2013/783925] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2013] [Revised: 11/20/2013] [Accepted: 11/20/2013] [Indexed: 11/18/2022] Open
Abstract
Mitochondrial 12S rRNA has proven to be a useful molecular marker for better conservation and management of the endangered species. Polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) of the mitochondrial 12S rRNA gene has proven to be a reliable and efficient tool for the identification of different Indian deer species of family cervidae. In the present study, mitochondrial 12S rRNA gene sequence of mouse deer (Moschiola indica) belonging to the family Tragulidae was characterized and analysed in silico for its use in species identification. Genomic DNA was isolated from the hair follicles and mitochondrial 12S rRNA gene was amplified using universal primers. PCR product was cloned and sequenced for the first time. The sequence of mouse deer showed 90.04, 90.08, 90.04, 91.2, 90.04, and 90.08% identities with sika deer, sambar, hog deer, musk deer, chital, and barking deer, respectively. Restriction mapping in Lasergene (DNAstar Inc., Madison, WI, USA) revealed that mouse deer mitochondrial 12S rRNA gene sequence can be differentiated from the other deer species in PCR-RFLP using RsaI, DdeI, BsrI, and BstSFI. With the help of predicted pattern, mouse deer can be identified using genomic DNA from a variety of biomaterials, thereby providing molecular aid in wildlife forensics and conservation of the species.
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Dalmasso A, Chiesa F, Civera T, Bottero MT. A novel minisequencing test for species identification of salted and dried products derived from species belonging to Gadiformes. Food Control 2013. [DOI: 10.1016/j.foodcont.2013.04.031] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Li M, Xia W, Wang M, Yang M, Zhang L, Guo J. Application of molecular genetics method for differentiating Martes zibellina L. heart from its adulterants in traditional Chinese medicine based on mitochondrial cytochrome b gene. ACTA ACUST UNITED AC 2013; 25:78-82. [PMID: 23919324 DOI: 10.3109/19401736.2013.815167] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The use of Martes zibellina L. heart as a famous kind of traditional Chinese medicine has been documented for many years in China. Identification of its authenticity as raw materials became a key in controlling of herbal preparations. In this study, the characteristics of mitochondrial cytochrome b (Cyt b) gene from four species of Martes were explored, and a specific molecular genetics technique for identifying the heart of M. zibellina L. in addition to some close relatives from their counterfeits was established. The bioinformatics was carried out to design the primers for the Cyt b gene based on the different species of Martes. PCR and sequencing technology were performed. The mt DNA was extracted from all of fresh M. zibellina L., Martes melampus. Martes flavigula. Martes martes heart samples and dry M. zibellina L. heart powder through the modified alkaline extracting method in addition to its counterfeits including the chicken heart, duck heart, goose heart, rabbit heart and Mustela vison. The complete mt DNA was separated from all samples used in the study, and the Cyt b gene with 310 bp segments was amplified only from M. zibellina L. heart as DNA template by the PCR technique. The sequencing indicated that the segment amplified by the PCR was homologous with the species of M. zibellina in GenBank. The data revealed that the primers and selected segment could be used as the genetic markers to identify M. zibellina L. heart from its counterfeits among different animal species.
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Affiliation(s)
- Mingcheng Li
- School of Laboratory Medicine, Beihua University , Jilin , China
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36
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Mane B, Mendiratta S, Tiwari A, Narayan R. Sequence analysis of mitochondrial 16S rRNA gene to identify meat species. JOURNAL OF APPLIED ANIMAL RESEARCH 2013. [DOI: 10.1080/09712119.2012.738213] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Horreo JL, Ardura A, Pola IG, Martinez JL, Garcia-Vazquez E. Universal primers for species authentication of animal foodstuff in a single polymerase chain reaction. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2013; 93:354-361. [PMID: 22740422 DOI: 10.1002/jsfa.5766] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2011] [Revised: 04/20/2012] [Accepted: 05/16/2012] [Indexed: 06/01/2023]
Abstract
BACKGROUND There are many DNA-based systems for detecting animal species present in food and food products, applicable for food quality control and authentication. However, most (if not all) methods require more than one pair of primers and cannot be applied over a wide taxonomic range, e.g. identifying vertebrates and invertebrates with the same primers and protocols. RESULTS A pair of primers is described here that allows in a single polymerase chain reaction the identification of animal species in food and processed (precooked, canned or smoked) food products over a wide taxonomic range. CONCLUSION These primers permit the identification of most animal taxa employed in human nutrition, from invertebrates such as molluscs to higher vertebrates, distinguishing between species of the same genus. The short fragment amplified within the 16S rDNA exhibits phylogenetic value and could be considered universal based on the wide taxonomic range assayed. The primers are easy to use and accessible for laboratories with a modest budget, as well as being valuable for consumer information and to reveal food fraud.
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Affiliation(s)
- Jose L Horreo
- Department of Functional Biology, University of Oviedo. C/Julian Claveria s/n, E-33006 Oviedo, Spain.
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Mane B, Mendiratta S, Tiwari A. Beef specific polymerase chain reaction assay for authentication of meat and meat products. Food Control 2012. [DOI: 10.1016/j.foodcont.2012.05.031] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Girish PS, Anjaneyulu ASR, Viswas KN, Anand M, Rajkumar N, Shivakumar BM, Bhaskar S. Sequence analysis of mitochondrial 12S rRNA gene can identify meat species. Meat Sci 2012; 66:551-6. [PMID: 22060864 DOI: 10.1016/s0309-1740(03)00158-x] [Citation(s) in RCA: 130] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2003] [Revised: 06/23/2003] [Accepted: 06/23/2003] [Indexed: 11/17/2022]
Abstract
In this study, sequence analysis of mitochondrial 12S rRNA has been applied for meat species identification. The procedure involves polymerase chain reaction (PCR) amplification of a fragment of mitochondrial (mt) 12S rRNA gene and sequencing of amplicons. Amplified product of mt 12S rRNA gene was 456 bp in size. Species sequenced include cattle (Bos indicus), buffalo (Bubalus bubalis), sheep (Ovis aries), goat (Capra hircus) and mithun (Bos frontalis). Sequences were compared with the reported sequences of low land anoa (Bubalus depressicornis), yak (Bos grunniens) and pig (Sus scrofa). There was no effect of routinely used additives or cooking temperature (72, 90, 120 and 180 °C) on the efficacy of PCR amplification. The closely related species like cattle and buffalo, sheep and goat could also be differentiated decisively by sequence analysis. Sequencing and analysis of mt 12S rRNA gene was, hence, found to be an ideal, authentic and unambiguous qualitative method for meat species identification.
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Affiliation(s)
- P S Girish
- Division of Livestock Products Technology, Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh 243122, India
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Bottero MT, Dalmasso A. Animal species identification in food products: Evolution of biomolecular methods. Vet J 2011; 190:34-8. [DOI: 10.1016/j.tvjl.2010.09.024] [Citation(s) in RCA: 103] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2010] [Revised: 09/24/2010] [Accepted: 09/26/2010] [Indexed: 11/25/2022]
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Detection of Adulteration of Meat and Meat Products with Buffalo Meat Employing Polymerase Chain Reaction Assay. FOOD ANAL METHOD 2011. [DOI: 10.1007/s12161-011-9237-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Lago FC, Herrero B, Vieites JM, Espiñeira M. Genetic identification of horse mackerel and related species in seafood products by means of forensically informative nucleotide sequencing methodology. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2011; 59:2223-2228. [PMID: 21332203 DOI: 10.1021/jf104505q] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
In the present study, a methodology based on the amplification of a fragment of mitochondrial cytochrome b and subsequent phylogenetic analysis (FINS: forensically informative nucleotide sequencing) to genetically identify horse mackerels have been developed. This methodology makes possible the identification of more than 20 species belonging to the families Carangidae, Mullidae, and Scombridae. The main novelty of this work lies in the longest number of different horse mackerel species included and in the applicability of the developed methods to all kinds of processed products that can be found by consumers in markets around the world, including those that have undergone intensive processes of transformation, as for instance canned foods. Finally, the methods were applied to 15 commercial samples, all of them canned products. Therefore, these methods are useful for checking the fulfillment of labeling regulations for horse mackerels and horse mackerel products, verifying the correct traceability in commercial trade, and fisheries control.
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Affiliation(s)
- Fátima C Lago
- Area of Molecular Biology and Biotechnology, ANFACO-CECOPESCA, Vigo, 36310 Pontevedra, Spain
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Bitanyi S, Bjørnstad G, Ernest EM, Nesje M, Kusiluka LJ, Keyyu JD, Mdegela RH, Røed KH. Species identification of Tanzanian antelopes using DNA barcoding. Mol Ecol Resour 2011; 11:442-9. [PMID: 21481202 DOI: 10.1111/j.1755-0998.2011.02980.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Efficient tools for consistent species identification are important in wildlife conservation as it can provide information on the levels of species exploitation and assist in solving forensic-related problems. In this study, we evaluated the effectiveness of the mitochondrial cytochrome c oxidase subunit I (COI) barcode in species identification of Tanzanian antelope species. A 470 base-pair region of the COI gene was examined in 95 specimens representing 20 species of antelopes, buffalo and domestic Bovidae. All the Tanzanian species showed unique clades, and sequence divergence within species was <1%, whereas divergence between species ranged from 6.3% to 22%. Lowest interspecific divergence was noted within the Tragelaphus genus. Neighbour-joining phylogenetic analyses demonstrated that the examined COI region provided correct and highly supported species clustering using short fragments down to 100 base-pair lengths. This study demonstrates that even short COI fragments can efficiently identify antelope species, thus demonstrating its high potential for use in wildlife conservation activities.
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Affiliation(s)
- Stella Bitanyi
- Ministry of Livestock Development and Fisheries, Veterinary Investigation Centre, Temeke, Dar es Salaam, Tanzania
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Huang KM, Liu SM, Chen YJ, Huang YW, Deng JF, Hwang DF. Identification of causative agents and species in shrimp implicated in a food poisoning case in Taiwan. J Food Prot 2010; 73:2250-5. [PMID: 21219744 DOI: 10.4315/0362-028x-73.12.2250] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The possible causative agent and shrimp species involved in a bait shrimp poisoning case that occurred in northern Taiwan was determined. Because the patient's symptoms were similar to those caused by boric acid and slightly similar to those caused by sulfite, the concentrations of boric acid and sulfite (as sulfur dioxide) in the patient's vomitus and in shrimp collected from bait stores and markets were analyzed. The concentration of boric acid was 36.8 to 37.1 mg/g in the patient's vomitus, 1.4 to 3.8 mg/g in shrimp meats obtained from bait stores, and not detectable (less than 0.001 mg/g) in shrimp meat obtained from commercial markets. No significant differences in sulfur dioxide concentrations (0.067 to 0.088 mg/g) were found in patient's vomitus and the shrimp meat from both bait stores and commercial markets. A fragment of the cytochrome b gene (∼406 bp) was amplified by PCR using a pair of primers (UCYTB151F and UCYTB270R) from shrimp meat of two species and the vomitus. The vomited shrimp was identified as Parapenaeus fissuroides on the basis of gene sequencing and restriction fragment length polymorphism patterns after treatment with endonuclease Alu I. Based on the patient's symptoms and analytical data, we concluded that boric acid at toxic levels had been illegally added to the bait shrimp P. fissuroides.
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Affiliation(s)
- Ken-Men Huang
- Institute of Marine Biology, National Taiwan Ocean University, Keelung 202, Taiwan, Republic of China
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Botti S, Giuffra E. Oligonucleotide indexing of DNA barcodes: identification of tuna and other scombrid species in food products. BMC Biotechnol 2010; 10:60. [PMID: 20731825 PMCID: PMC2936417 DOI: 10.1186/1472-6750-10-60] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2010] [Accepted: 08/23/2010] [Indexed: 05/17/2024] Open
Abstract
BACKGROUND DNA barcodes are a global standard for species identification and have countless applications in the medical, forensic and alimentary fields, but few barcoding methods work efficiently in samples in which DNA is degraded, e.g. foods and archival specimens. This limits the choice of target regions harbouring a sufficient number of diagnostic polymorphisms. The method described here uses existing PCR and sequencing methodologies to detect mitochondrial DNA polymorphisms in complex matrices such as foods. The reported application allowed the discrimination among 17 fish species of the Scombridae family with high commercial interest such as mackerels, bonitos and tunas which are often present in processed seafood. The approach can be easily upgraded with the release of new genetic diversity information to increase the range of detected species. RESULTS Cocktail of primers are designed for PCR using publicly available sequences of the target sequence. They are composed of a fixed 5' region and of variable 3' cocktail portions that allow amplification of any member of a group of species of interest. The population of short amplicons is directly sequenced and indexed using primers containing a longer 5' region and the non polymorphic portion of the cocktail portion. A 226 bp region of CytB was selected as target after collection and screening of 148 online sequences; 85 SNPs were found, of which 75 were present in at least two sequences. Primers were also designed for two shorter sub-fragments that could be amplified from highly degraded samples. The test was used on 103 samples of seafood (canned tuna and scomber, tuna salad, tuna sauce) and could successfully detect the presence of different or additional species that were not identified on the labelling of canned tuna, tuna salad and sauce samples. CONCLUSIONS The described method is largely independent of the degree of degradation of DNA source and can thus be applied to processed seafood. Moreover, the method is highly flexible: publicly available sequence information on mitochondrial genomes are rapidly increasing for most species, facilitating the choice of target sequences and the improvement of resolution of the test. This is particularly important for discrimination of marine and aquaculture species for which genome information is still limited.
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Affiliation(s)
- Sara Botti
- Parco Tecnologico Padano, CERSA - Centro Ricerche e Studi Agroalimentari, Via A. Einstein, 26900 Lodi, Italy
| | - Elisabetta Giuffra
- Parco Tecnologico Padano, CERSA - Centro Ricerche e Studi Agroalimentari, Via A. Einstein, 26900 Lodi, Italy
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Dittmar KEJ, Simann M, Zghoul N, Schön O, Meyring W, Hannig H, Macke L, Dirks WG, Miller K, Garritsen HSP, Lindenmaier W. Quality of Cell Products: Authenticity, Identity, Genomic Stability and Status of Differentiation. ACTA ACUST UNITED AC 2010; 37:57-64. [PMID: 20737047 DOI: 10.1159/000284401] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2009] [Accepted: 09/28/2009] [Indexed: 11/19/2022]
Abstract
Cellular therapies that either use modifications of a patient's own cells or allogeneic cell lines are becoming in vogue. Besides the technical issues of optimal isolation, cultivation and modification, quality control of the generated cellular products are increasingly being considered to be more important. This is not only relevant for the cell's therapeutic application but also for cell science in general. Recent changes in editorial policies of respected journals, which now require proof of authenticity when cell lines are used, demonstrate that the subject of the present paper is not a virtual problem at all. In this article we provide 2 examples of contaminated cell lines followed by a review of the recent developments used to verify cell lines, stem cells and modifications of autologous cells. With relative simple techniques one can now prove the authenticity and the quality of the cellular material of interest and therefore improve the scientific basis for the development of cells for therapeutic applications. The future of advanced cellular therapies will require production and characterization of cells under GMP and GLP conditions, which include proof of identity, safety and functionality and absence of contamination.
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Affiliation(s)
- Kurt E J Dittmar
- Department of Molecular Biotechnology, Helmholtz Centre for Infection Research (HZI) Braunschweig, Braunschweig, Germany
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Lopez I, Pardo MA. Evaluation of a real-time polymerase chain reaction (PCR) assay for detection of anisakis simplex parasite as a food-borne allergen source in seafood products. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2010; 58:1469-1477. [PMID: 20085278 DOI: 10.1021/jf903492f] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Anisakis simplex has been recognized as an important cause of disease in humans and as a food-borne allergen source. Actually, this food-borne parasite was recently identified as an emerging food safety risk. An A. simplex -specific primer-probe system based on a real-time polymerase chain reaction (PCR) detection assay has been successfully optimized and validated with seafood samples. In addition, a DNA extraction procedure has been optimized to detect the presence of the nematode in food samples. The assay is a very reliable, specific, and sensitive methodology to detect the presence of traces of this parasite in seafood products, including highly processed samples. As a result, 13 sequences of cytochrome c oxidase II gene were obtained and scrutinized to calculate intra- and interspecific variabilities of 0 and 35-67%, respectively. Finally, an efficiency of 2.07 +/- 0.14 of the assay was calculated, and a limit of detection of 40 ppm parasite in 25 g of sample was also optimized. Actually, the presence of this parasite in several seafood products has been demonstrated, enforcing the necessity of a design for a good manufacturing practice protocol for the processing industry to minimize the presence of this parasite as a food-borne allergen source in seafood products.
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Affiliation(s)
- Itziar Lopez
- Food Research Division, Fisheries and Food Technological Institute, Parque Tecnologico de Bizkaia, Astondo Bidea-Edificio 609, E-48160 Derio, Bizkaia, Spain
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Rasmussen RS, Morrissey MT, Walsh J. Application of a PCR-RFLP Method to Identify Salmon Species in U.S. Commercial Products. JOURNAL OF AQUATIC FOOD PRODUCT TECHNOLOGY 2010. [DOI: 10.1080/10498850903297576] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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50
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Application of real-time PCR on the development of molecular markers and to evaluate critical aspects for olive oil authentication. Food Chem 2010. [DOI: 10.1016/j.foodchem.2009.05.012] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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