ArticlePlant molecular biology1996
Induction of cysteine and serine proteases during xylogenesis in Zinnia elegans.
Article in Plant molecular biology, 1996. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers.
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49 citing papers in PubMed, 151 citations in OpenAlex.
- Functional insights into a putative 2-OG oxygenase involved in jasmonic acid metabolism and xylem development in Populus trichocarpa.Plant & cell physiology · 2026Article
- Differential expression of genes during recovery of Nicotiana tabacum from tomato leaf curl Gujarat virus infection.Planta · 2023Article
- Insights into the mechanism of Huanglongbing tolerance in the Australian finger lime (Frontiers in plant science · 2022Article
- Microcystin-LR, a Cyanobacterial Toxin, Induces DNA Strand Breaks Correlated with Changes in Specific Nuclease and Protease Activities in White Mustard (Plants (Basel, Switzerland) · 2021Article
- Review
- zmsbt1 and zmsbt2, two new subtilisin-like serine proteases genes expressed in early maize kernel development.Planta · 2017Article
- Delayed expression of SAGs correlates with longevity in CMS wheat plants compared to its fertile plants.Physiology and molecular biology of plants : an international journal of functional plant biology · 2014Article
- Article
- The proteome of Populus nigra woody root: response to bending.Annals of botany · 2012Article
- Isolation and characterization of a gene encoding a polyethylene glycol-induced cysteine protease in common wheat.Journal of biosciences · 2010Article
- Caspase inhibitors affect the kinetics and dimensions of tracheary elements in xylogenic Zinnia (Zinnia elegans) cell cultures.BMC plant biology · 2010Article
- SHALLOT-LIKE1 is a KANADI transcription factor that modulates rice leaf rolling by regulating leaf abaxial cell development.The Plant cell · 2009Article
- Cloning and characterization of a novel cysteine protease gene (HbCP1) from Hevea brasiliensis.Journal of biosciences · 2008Article
- CYP82E4-mediated nicotine to nornicotine conversion in tobacco is regulated by a senescence-specific signaling pathway.Plant molecular biology · 2008Article
- Is internucleosomal DNA fragmentation an indicator of programmed death in plant cells?Journal of experimental botany · 2008Article
- The two main endoproteases present in dark-induced senescent wheat leaves are distinct subtilisin-like proteases.Planta · 2006Article
- Galactoglucomannans increase cell population density and alter the protoxylem/metaxylem tracheary element ratio in xylogenic cultures of Zinnia.Plant physiology · 2006Article
- Novel markers of xylogenesis in zinnia are differentially regulated by auxin and cytokinin.Plant physiology · 2005Article
- The xylem and phloem transcriptomes from secondary tissues of the Arabidopsis root-hypocotyl.Plant physiology · 2005Article
- A genomic approach to investigate developmental cell death in woody tissues of Populus trees.Genome biology · 2005Article
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The terminal process of xylogenesis, autolysis, is essential for the formulation of a tubular system for conduction of water and solutes throughout the whole plant. Several hydrolase types are implicated in autolysis responsible for the breakdown of cytoplasm. Here, we characterize p48h-17 cDNA from in vitro tracheary elements (TEs) of Zinnia elegans which encodes a preproprotein similar to papain. The putative mature protein, a cysteine protease, has a molecular mass of 22,699 Da with a pI of 5.7. DNA gel blot analysis indicated that p48h-17 is likely encoded by one or two genes. The p48h-17 mRNA accumulated markedly in in vitro differentiating TEs, whereas it appeared not to be induced in response to senescence and wounding in the leaves or H2O2 challenge in the cultured mesophyll cells. In stems, the expression of the p48h-17 gene was preferentially associated with differentiating xylem. Activity gel assays demonstrated that a cysteine and a serine protease, which had apparent molecular masses of 20 kDa and 60 kDa, respectively, were markedly induced during in vitro TE differentiation. The cysteine protease activity was also preferentially present in the xylem of Zinnia stems. Transient expression of the p48h-17 cDNA in tobacco protoplasts resulted in the production of a 20 kDa cysteine protease. Taken together, the results indicate that the p48h-17 gene appears to be preferentially associated with xylogenesis, and both the cysteine and serine proteases might be involved in autolysis during xylogenesis.
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