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NASC Stock Detail Page

NASC ID: N9855

Name: hy1 cry1

ABRC stock number: CS9855

Description: Other name of genes: hy1 hy4. Alleles to stock: hy1-1, hy4-1 (hy4-2.23 N). Gene product: Heme oxygenase 1, Cryptochrome 1. Recessive mutation. Related stock: 9854, 9856. More information is available here Plant Cell online publication

Donation Date: 2008-05-08

Donated by:  University of London Enrique LopezJuez

Part of : Homozygous lines

Stock type: individual line

Material type: seed

Comment: Because the deficiency in phytochrome chromophore in hy1 recovers with age to some extent, the plants eventually grow and set seed without problem.

Status Price (£)
Available £7.50

Germplasm Info

Seed type: Mutant

Mutagen: ethylmethane sulfonate

Background: Ler

Segregation status: homozygous

Growth requirement: Very spindly and weak seedling, close to etiolated in full light. Grow early on with high moisture/under a lid cover.

Associated Polymorphisms

When available, select a locus to display it at the AIP or view the EMBL record at the EBI.

Allele: Locus: AGI code:
  • cry1
  • hy1
  • cry
  • hy




Photoreceptor multiple deficiency. hy1 is phytochrome chromophore deficient. cry1 is null for cryptochrome 1.Combined they cause very severe deetiolation defect.


Koornneef, M., Rolff, E. & Spruit, C.J.P. 1980. Genetic-control of light-inhibited hypocotyl elongation in Arabidopsis thaliana (L) Heynh. Zeitschrift fur Phflanzenphysiologie 100(2):147-160.Link to Article.

Lopez-Juez, E. et al. 2008. Distinct light-initiated gene expression and cell cycle programs in the shoot apex and cotyledons of Arabidopsis. The Plant Cell 20(4):947-68.PubMed ID: 18424613.