Table 3.
Organ/tissue distribution of PEPT1 mRNA in teleost fish (with emphasis on the localization along the post-gastric intestinal tract)
| Description | Order | Species | GenBank Acc. No. | Organ/tissue distribution | Distribution along the (post-gastric) intestinal tract | Assay(s) | References |
|---|---|---|---|---|---|---|---|
| PEPT1B | Cypriniformes | Zebrafish (Danio rerio) | NM_198064.1 | Intestine >> spleen > kidney (adult) | Proximal intestine (intestinal bulb) (larva) | Semi-quantitative RT-PCR and in situ hybridization | Verri et al. 1993a |
| PEPT1B | Cypriniformes | Grass carp (Ctenopharyngodon. idella) | JN088166.1 | Intestine >> Muscle > kidney = heart = liver > spleen | Foregut >>> midgut > hindgut (juvenile) | Quantitative real-time PCR | Liu et al. 2012 |
| PEPT1B | Cypriniformes | Asian weatherloach (Misgurnus anguillicaudatus) | DQ668370.1 | Heart > liver | Anterior zone of the foregut > posterior zone of the foregut > midgut (adult) | RT-PCR | Gonçalves et al. 2011 |
| PEPT1B | Salmoniformes | Atlantic salmon (Salmo salar) | NM_001146682.1 | Intestine >>> Brain > belly flap = skin = heart > eye = ovary > others (juvenile) | Pyloric ceca > midgut > hindgut (juvenile) | Quantitative real-time PCR | Rønnestad et al. 1998 |
| PEPT1B | Salmoniformes | Rainbow trout (Oncorhynchus mykiss) | Pyloric ceca > midgut > hindgut (juvenile) | Quantitative real-time PCR | Kamalam et al. 2004 | ||
| PEPT1B | Gadiformes | Atlantic cod (Gadus morhua) | AY921634.1 | Intestine >> kidney = spleen (adult) | Midgut = hindgut (larva) S2 = S3 = S4 = S5 = S6 = S7 ≥ S8 ≥ S9 > S10 (S2, pyloric area; S3, pyloric ceca (inner segments); S4, pyloric ceca (outer segments); S5-S10, six adjacent segments in the remainder of the intestine, starting after the pyloric ceca (S5) and ending with the anus (S10) – based on divisions of the three loops present in the dissected gut. The last segment also comprises the hindgut) (adult) S1 = S2 = S3 > S4 > S5 (S1, pyloric ceca; S2–S5, equally long parts from the remainder of the intestine) (juvenile) | Quantitative real-time-PCR Semi-quantitative RT-PCR Quantitative real-time-PCR | Amberg et al. 2013 Rønnestad et al. 2013 Bakke et al. 2004 |
| PEPT1A | Cyprinodontiformes | Mummichog (Fundulus heteroclitus macrolepidotus) | JN615008.1 | Anterior intestine = posterior intestine (adult) | Quantitative real-time PCR | Koven & Schulte 2001 | |
| PEPT1B | Cyprinodontiformes | Mummichog (Fundulus heteroclitus macrolepidotus) | JN615007.1 | Anterior intestine = posterior intestine (adult) | Quantitative real-time PCR | Koven & Schulte 2001 | |
| PEPT1B | Perciformes | European sea bass (Dicentrarchus labrax) | FJ237043.2 | Intestine >>> gills >brain > heart > liver > spleen > muscle > ovary (adult) | Pyloric ceca ≤ intestinal segment (IS) 1 < IS2 > IS3 (segments 1–3 approx. correspond to the first 3 cm) > IS4 > IS5 > IS6 > IS7 > IS8 > IS9 > IS10 >> rectum (adult) | Quantitative real-time-PCR | Terova et al. 2005 |
| PEPT1B | Perciformes | Gilthead seabream (Sparus aurata) | GU733710.1 | Intestine >>> brain > muscle > spleen (adult) | Intestinal segment (IS) 1 = IS2 > IS3 (segments 1–3 approx. correspond to the first 3 cm) > IS4 > IS5 > IS6 > IS7 (adult) | Quantitative real-time-PCR | Terova et al. 1999 |
| PEPT1B | Perciformes | Antarctic icefish (Chionodraco hamatus) | AY170828.2 | Intestine >>> kidney >>> brain (adult) | Intestine, no regions specified (adult) | Semi-quantitative RT-PCR and real-time PCR | Rizzello et al. 2011 |