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Table 1 Diagnostic primers used for identification of Caenorhabditis species or genus

From: The prevalence of Caenorhabditis elegans across 1.5 years in selected North German locations: the importance of substrate type, abiotic parameters, and Caenorhabditis competitors

Primer name

Primer sequence 5’-3’

Anneal Ta

Target region

Specificity

Sizeb

Reference

nlp30-F

ACACATACAACTGATCACTCA

55°C

nlp-30

C. elegans

154 bp

This study

nlp30-R

TACTTTCCCCATCCGTATC

zeel/peel-leftF

CTGAAGCATGCCGGATTTAT

59°C

Region with zeel-1 + peel-1

C. elegans

940 bp

[24] and this study

zeel/peel-leftR

TCCGTCCAATATTCAATCGAC

Cre-ITS2-F1

TTGTCGGGCGGCATTGGGGCT

65°C

Ribosomal ITS2

C. remanei

300 bp

This study

Cre-ITS2-R4

CGTCGTCTTCCTTACCCCGAA

Cbriggsae-F

GAACCTGCGAGTGCATG

56°C

glp-1

C. briggsae

302 bp

[22]

Cbriggsae-R

CCGTCTGCAAACGAACGGGC

KK5.8S-1

CTGCGTTACTTACCACGAATTGCARAC

70°C

Ribsomal ITS2

Caenorhabditis

2008 bp

[14]

KK28S-4

GCGGTATTTGCTACTACCAYYAMGATCTGC

  1. aOptimized annealing temperature for diagnostic PCR.
  2. bPCR product size.