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Coproporphyrinogen III oxidase from barley and tobacco--sequence analysis and initial expression studies.

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Coproporphyrinogen III oxidase (coprogen oxidase; EC 1.3.3.3) is part of the pathway from 5-amino-levulinate to protoporphyrin IX which is common in all organisms and catalyses oxidative decarboxylation at two tetrapyrrole side chains. We cloned and sequenced full-length cDNAs encoding coprogen

Isolation, sequencing and expression of cDNA sequences encoding uroporphyrinogen decarboxylase from tobacco and barley.

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We have cloned and sequenced a full-length cDNA for uroporphyrinogen decarboxylase (UROD, EC 4.1.1.37) from tobacco (Nicotiana tabacum L.) and a partial cDNA clone from barley (Hordeum vulgare L.). The cDNA of tobacco encodes a protein of 43 kDa, which has 33% overall similarity to UROD sequences

Enhanced-peroxidatic activity in specific catalase isozymes of tobacco, barley, and maize.

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Separation of catalase isozymes from leaf extracts of three diverse plant species (Nicotiana sylvestris, Zea mays, Hordeum vulgare L.) revealed a distinct isozyme with enhanced peroxidatic activity (30-, 70-, 28-fold over typical catalase, respectively) which constituted 10 to 20% of the total

Colocalization of barley lectin and sporamin in vacuoles of transgenic tobacco plants.

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Various targeting motifs have been identified for plant proteins delivered to the vacuole. For barley (Hordeum vulgare) lectin, a typical Gramineae lectin and defense-related protein, the vacuolar information is contained in a carboxyl-terminal propeptide. In contrast, the vacuolar targeting

Promoter analysis of iron-deficiency-inducible barley IDS3 gene in Arabidopsis and tobacco plants.

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Under conditions of iron deficiency, graminaceous plants induce the expression of genes involved in the biosynthesis of mugineic acid family phytosiderophores. We previously identified the novel cis-acting elements IDE1 and IDE2 (iron-deficiency-responsive element 1 and 2) through promoter analysis

Structure and development of epiphylly in knox-transgenic tobacco.

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Anatomical modifications and developmental patterns of tobacco (Nicotiana tabacum L.) plants transgenic for the barley (Hordeum vulgare L.) homeo box genes bkn-1 or bkn-3 were analysed and the morphogenetic processes interpreted. No appreciable difference between bkn-1 and bkn-3 transgenic tobacco

Expression of the ribosome-inactivating protein JIP60 from barely in transgenic tobacco leads to an abnormal phenotype and alterations on the level of translation.

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In this paper we report the in-planta activity of the ribosome-inactivating protein JIP60, a 60-kDa jasmonate-induced protein from barley (Hordeum vulgare L.), in transgenic tobacco (Nicotiana tabacum L.) plants. All plants expressing the complete JIP60 cDNA under the control of the cauliflower

Analysis of barley chloroplast psbD light-responsive promoter elements in transplastomic tobacco.

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The plastid gene psbD encodes D2, a photosystem II reaction center chlorophyll-binding protein. psbD is transcribed from a conserved chloroplast promoter that is activated by blue, white, or UV-A light. In this study, various forms of the barley (Hordeum vulgare L.) chloroplast psbD-LRP were fused

A spontaneous mutation in the movement protein gene of brome mosaic virus modulates symptom phenotype in Nicotiana benthamiana.

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Brome mosaic virus (BMV) is a positive-strand RNA virus with a multipartite genome that causes symptomless infection in Nicotiana benthamiana. We have isolated and characterized a strain of BMV that produced uniform vein chlorosis in systemically infected N. benthamiana. Analysis of

Myb genes from Hordeum vulgare: tissue-specific expression of chimeric Myb promoter/Gus genes in transgenic tobacco.

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The structures of the three Myb-related genes Hv1, Hv5 and Hv33 from barley were determined. They contain a single intron located in the second repeat unit of the Myb-related domain. By analogy to the animal MYB oncoproteins this conserved region of the gene product was shown by filter-binding

Subcellular and tissue distribution, partial purification, and sequencing of calmodulin-stimulated Ca2+-transporting ATPases from barley (Hordeum vulgare L.) and tobacco (Nicotiana tabacum).

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The subcellular distribution of plasma-membrane-type Ca2+-transporting ATPases was studied in barley leaves (Hordeum vulgare L.). A highly enriched plasma membrane (PM) fraction was analysed for Ca2+ pumps and compared with several inner-membrane preparations, including the tonoplast, the envelope

Magnaporthe oryzae effectors MoHEG13 and MoHEG16 interfere with host infection and MoHEG13 counteracts cell death caused by Magnaporthe-NLPs in tobacco.

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CONCLUSIONS Adapted pathogens are able to modulate cell responses of their hosts most likely due to the activity of secreted effector molecules thereby enabling colonisation by ostensible nonhost pathogens. It is postulated that host and nonhost pathogens of a given plant species differ in their

Enhanced quantitative resistance against fungal disease by combinatorial expression of different barley antifungal proteins in transgenic tobacco.

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cDNAs encoding three proteins from barley (Hordeum vulgare), a class-II chitinase (CHI), a class-II beta-1,3-glucanase (GLU) and a Type-I ribosome-inactivating protein (RIP) were expressed in tobacco plants under the control of the CaMV 35S-promoter. High-level expression of the transferred genes

The influence of barley stripe mosaic virus on the replication of tobacco mosaic virus in Hordeum vulgare L.

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Induced activity of adenine phosphoribosyltransferase (APRT) in iron-deficiency barley roots: a possible role for phytosiderophore production.

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To isolate the genes involved in the response of graminaceous plants to Fe-deficient stress, a protein induced by Fe-deficiency treatment was isolated from barley (Hordeum vulgare L.) roots. Based on the partial amino acid sequence of this protein, a cDNA (HvAPT1) encoding adenine

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