Celery collenchyma

We performed RNA-Seq analysis of different petiole tissues of celery (Apium graveolens L., var. secalinum Yablochny). Plants were grown in pots with a soil layer of 50 cm in the greenhouse (22-24 grad. of Celsius) under lamp light (a day period 16 h) with daily watering. Samples were collected at 32-34 days (S1 samples) and 90-94 days (S2) after planting. We collected collenchyma (Col), parenchyma (Par), vascular bundle (Vas), and petiole segments without collenchyma strands (CF, collenchyma-free samples).