Detection of gene transcripts by in situ hybridization that encode genes with known annotation of Pratylenchus penetrans. (A, B) β‐1,4‐Endoglucanases. (C, D) Pectate lyases. (E, F) Expansin‐like. (G) Xylanase. (H) Arabinogalactan endo‐1,4‐β‐galactosidase. (I) Venom allergen‐like. (J) Calreticulin. (K) Fatty acid‐ and retinol‐binding protein. (L) SXP/RAL‐2. (M) Catalase. (N) Trypsin inhibitor‐like. (O) Example of a control image obtained using the sense probe (e.g. Ppen15842_c0_seq1). oesophageal glands; m, medium bulb; s, stylet. Bars, 20 µm.