Disease relevance of Zea mays

• Bs1, a transposable element that moved into the maize Adh1 gene following barley stripe mosaic virus infection, is shown to be present in 1-5 copies in all maize and teosinte lines tested [1].
• The cDNA designated as ZmSAUR1 (Zea mays SAURs) was expressed in Escherichia coli, and the recombinant protein was purified by CaM affinity chromatography [2].
• In this study, the role of Ca in the perception of anoxic stress signals by maize (Zea mays L. cv B73) roots was assessed by studying the effect of various Ca antagonists on the induction of alcohol dehydrogenase (ADH) and sucrose synthase mRNA as well as ADH activity under anoxia [3].
• The major auxin-binding protein (ABP1) from maize (Zea mays L.) has been expressed in insect cells using the baculovirus expression system [4].
• The protein substrate specificity of the maize (Zea mays) leaf ADP: protein phosphotransferase (regulatory protein, RP) was studied in terms of its relative ability to inactivate/phosphorylate pyruvate, orthophosphate dikinase from Zea mays and the non-sulphur purple photosynthetic bacterium Rhodospirillum rubrum [5].

High impact information on Zea mays

• Mesophyll cells and bundle sheath cells, the dimorphic photosynthetic cell types in the C4 plant Zea mays, differ in protein composition [6].
• The maize allele of tb1 is expressed at twice the level of the teosinte allele, suggesting that gene regulatory changes underlie the evolutionary divergence of maize from teosinte [7].
• We have now identified a complementary DNA clone from Zea mays (L.) encoding a putative serine/threonine-specific protein kinase structurally related to the receptor tyrosine kinases [8].
• RL01 served as a recipient for the transfer of the A1 gene of Zea mays encoding dihydroquercetin 4-reductase, which can reduce dihydrokaempferol and thereby provided the intermediate for pelargonidin biosynthesis [9].
• iaglu, a gene from Zea mays involved in conjugation of growth hormone indole-3-acetic acid [10].

Chemical compound and disease context of Zea mays

• Roles of abscissic acid (ABA) in water stress-induced oxidative stress were investigated in leaves of maize (Zea mays L.) seedlings exposed to water stress induced by polyethylene glycol (PEG 6000) [11].
• In a search for tRNA-processing nucleases in Zea mays an activity was found which cleaves the precursor to Escherichia coli tyrosine tRNA in the loop of the extra arm within the mature tRNA sequence [12].
• Labelling of chlorophylls and precursors by [2-14C]glycine and 2-[1-14C]oxoglutarate in Rhodopseudomonas spheroides and Zea mays. Resolution of the C5 and Shemin pathways of 5-aminolaevulinate biosynthesis by thin-layer radiochromatography [13].
• Adding activated carbon at 0.25, 0.75, and 1.0% (w/w) to Sharpsburg soil contaminated with 500, 1,000, and 2,000 mg TNT/kg decreased concentrations of TNT and its transformation products in soil solution to 5 mg/L or less, resulting in low toxicity to corn plants (Zea mays L.) and soil microorganisms [14].
• The favorable effect of style of Zea mays L. on streptozotocin induced diabetic nephropathy [15].

Biological context of Zea mays

• Using these and previously published sequences, we analyze the molecular evolution of Adh1 in the genus Zea [16].
• Hydrolysis and reconjugation of gibberellin A20 glucosyl ester by seedlings of Zea mays L [17].
• Photosynthetic electron flow, polypeptide pattern, presence of chlorophyll-protein complexes, and phosphorylation of thylakoid polypeptides have been investigated in differentiated mesophyll (M) and bundle sheath (B) thylakoids of the C4 plant Zea mays [18].
• The structure of a complex between the catalytic subunit of Zea mays CK2 and the nucleotide binding site-directed inhibitor emodin (3-methyl-1,6,8-trihydroxyanthraquinone) was solved at 2.6-A resolution [19].
• The coding region of a maize (Zea mays L.) oleosin gene was incorporated into yeast high copy and low copy number plasmids in which its expression was under the control of GAL1 promoter [20].

Anatomical context of Zea mays

• However, the cpc sequence is found in the same position upstream of the cox2 gene in Zea diploperennis mtDNA and it has striking similarity to the previously reported 'ORF of unknown origin' fused to the ATPase subunit 6 gene in maize CMS-C mitochondria. cpc appears to represent a new type of mitochondrial promoter [21].
• SE-WAP41, a salt-extractable 41-kD wall-associated protein that is associated with walls of etiolated maize (Zea mays) seedlings and is recognized by an antiserum previously reported to label plasmodesmata and the Golgi, was cloned, sequenced, and found to be a class 1 reversibly glycosylated polypeptide ((C1)RGP) [22].
• The lateral diffusion coefficient of a fluorescent sterol probe in the plasma membrane of maize (Zea mays L.) root protoplasts in a medium containing 0.45 M mannitol was 4 times faster than when the medium contained 0.9 M mannitol [23].
• Membranes of the Golgi apparatus from maize (Zea mays L.) were used to synthesize in vitro the (1-->3), (1-->4)-beta-D-glucan (MG) that is unique to the cell wall of the Poaceae [24].
• Two distinct cDNAs encoding putative sigma factors of plastid RNA polymerase were isolated from Zea mays, a C4 plant [25].

Associations of Zea mays with chemical compounds

• A beta-glucoside encoded by a cloned Zea mays complementary DNA (Zm-p60.1) cleaved the biologically inactive hormone conjugates cytokinin-O-glucosides and kinetin-N3-glucoside, releasing active cytokinin [26].
• The iaglu gene, which controls the first step in the biosynthesis of the IAA conjugates of Zea mays, encodes (uridine 5'-diphosphate-glucose:indol-3-ylacetyl)-beta-D-glucosyl transferase [10].
• The C1 locus of Zea mays (maize) controls the expression of genes involved in anthocyanin biosynthesis in aleurone and scutellar tissue and encodes a protein with the features of a transcriptional activator [27].
• The duplicated chalcone synthase genes C2 and Whp (white pollen) of Zea mays are independently regulated; evidence for translational control of Whp expression by the anthocyanin intensifying gene in [28].
• The maize (Zea mays) p1 (for pericarp color1) gene encodes an R2R3 Myb-like transcription factor that regulates the flavonoid biosynthetic pathway in floral organs, most notably kernel pericarp and cob [29].

Gene context of Zea mays

• Characterization of maize (Zea mays L.) Wee1 and its activity in developing endosperm [30].
• We have isolated, cloned, and characterized two cDNAs from Zea mays (L.), denoted yptm1 and yptm2, encoding proteins related to the ypt protein family [31].
• We report here the cloning of cDNAs from two Zea mays genes, RRB1 and RRB2, that encode RB-related proteins [32].
• Two maize (Zea mays) cyclin-dependent kinase (CDK) inhibitors, Zeama;KRP;1 and Zeama;KRP;2, were characterized and shown to be expressed in developing endosperm [33].
• We isolated two maize (Zea mays L.) cDNAs that encode PGM with 98.5% identity in their deduced amino acid sequence [34].

Analytical, diagnostic and therapeutic context of Zea mays

• Molecular cloning and structural analysis of a gene from Zea mays (L.) coding for a putative receptor for the plant hormone auxin [35].
• The isoenzyme glutathione S-transferase (GST) I from maize (Zea mays) was cloned and expressed in Escherichia coli, and its catalytic mechanism was investigated by site-directed mutagenesis and dynamic studies [36].
• Southern blot hybridisation of maize (Zea mays) genomic DNA with a specific cDNA probe and sequence analysis of several cDNAs have revealed that the mitochondrial adenine nucleotide translocator (ADP/ATP carrier) is encoded by two genes, both of which are expressed in dark-grown coleoptile tissue [37].
• Analy sis of three-dimensional fluorescence in situ hybridization (3-D FISH) image data has been employed to characterize the bouquet in fixed pollen mother cells of maize (Zea mays L.). In order to examine the function of the bouquet further, several meiotic mutants were screened for telomeric defects using 3-D FISH as an assay [38].
• Alcohol-insoluble residues (AIRs) from Festuca and Zea cell cultures contained 7.4 and 35 nmol esterified ferulate mg-1, respectively [39].

References