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Liu Q.-N.,Jiangsu Provincial Key Laboratory of Coastal Wetland Bioresources and Environmental Protection | Liu Q.-N.,Jiangsu Synthetic Innovation Center for Coastal Bio agriculture | Liu Q.-N.,Yancheng Teachers University | Bian D.-D.,Jiangsu Provincial Key Laboratory of Coastal Wetland Bioresources and Environmental Protection | And 11 more authors.
Biochemical Systematics and Ecology | Year: 2015

The 14-3-3 proteins are a large family of approximately 30 kDa acidic proteins and acting in the regulation of many biological processes. In this study, a 14-3-3 zeta (Pi14-3-3z) gene from the Indian meal moth, Plodia interpunctella (Lepidoptera, Pyralidae) was isolated and characterized. The full-length cDNA of Pi14-3-3z is 1382 bp, including a 5'-untranslated region (UTR) of 141 bp, 3'-UTR of 497 bp and an open reading frame (ORF) of 744 bp encoding a polypeptide of 247 amino acids which contains a 14-3-3 homologues domain (PF00244). The deduced Pi14-3-3z protein sequence has 81%-100% identity with the homologues in comparison to with other individuals. qPCR analysis revealed that Pi14-3-3z was expressed at the four developmental stages and in all tissues tested. Based on the amino acid of 14-3-3z, phylogenetic analysis demonstrated a similar topology with the traditional classification, suggesting 14-3-3z protein has the potential value in phylogenetic inference. © 2015 Elsevier Ltd.

Xu S.-S.,Nanjing Agricultural University | Xu S.-S.,Jiangsu Academy of Agricultural Sciences | Hou P.-F.,Jiangsu Academy of Agricultural Sciences | Fan L.-H.,Nanjing Agricultural University | And 6 more authors.
Huanjing Kexue/Environmental Science | Year: 2016

A pot experiment was conducted to study the effect of straw returning and domestic sewage irrigation on the dynamics of NH4+-N concentration and pH in the flood water, and ammonia volatilization of paddy fields. The results showed that the NH4+-N concentration in flood water was significantly increased by wheat straw returning while significantly decreased by domestic sewage irrigation. The cumulative ammonia volatilization in the whole rice season under tap water irrigation and straw removal treatment was 58.29 kg·hm-2, accounting for 24.29% of the total N applied. The N loss ratio of ammonia volatilization was significantly increased to 45.66% by wheat straw returning, while significantly decreased to 17.26% under straw removal and 32.72% under straw returning by domestic sewage irrigation. Significant positive interaction was observed between straw incorporation and domestic sewage irrigation on ammonia volatilization loss. The average N loss from ammonia volatilization during the tillering stage was the highest among the three fertilization stages, accounting for 7.38%-24.44% of the total N applied. In addition, ammonia volatilization fluxes showed a significant positive correlation with the flood water NH4+-N concentration, irrespective of the irrigation water, but had no significant correlation with pH. These results indicated that straw returning increased ammonia volatilization losses, whereas domestic sewage irrigation could effectively reduce ammonia volatilization losses and simultaneously replace 44.41% of chemical nitrogen fertilizer by the N contained in the domestic sewage. The combination of domestic sewage irrigation and straw returning would be an ecological and environmental-friendly measure for rice nitrogen management in Taihu Lake region. © 2016, Science Press. All right reserved.

Lu X.,Jiangsu Academy of Agricultural Sciences | Lu X.,Jiangsu Synthetic Innovation Center for Coastal Bio agriculture | Gao Y.,Jiangsu Academy of Agricultural Sciences | Gao Y.,Jiangsu Synthetic Innovation Center for Coastal Bio agriculture | And 8 more authors.
Journal of Hazardous Materials | Year: 2014

Water hyacinth (Eichhornia crassipes) may provide an alternative solution for the removal of co-contamination between antibiotics and heavy metals from livestock and poultry wastewater. A hydroponic experiment was conducted to investigate interaction of tetracyclines (TCs) and copper (Cu) on growth of E. crassipes, removal of TCs and Cu by plants and their fates in solution. After 20 days, plant growth, concentrations and accumulation of Cu and TCs in plants, removal by plants, and dissipation in solution were significantly influenced by interaction of Cu and TCs. Influence of only Cu or TCs on plant growth was not significant, except for TCs at 15mgL-1 which produced a negative effect on plant biomass. The presence of low-Cu and high-TCs acted synergistically to promote the negative effect of TCs on plant biomass, but increasing Cu concentration partially alleviated the adverse effect. Co-contamination of low-concentration Cu and TCs could exert antagonistic effects on the removal and accumulation of Cu and TCs by plants; in contrast, synergistic effects were found for the combination of high-concentration Cu and TCs. The Cu/TCs in solution could effectively be removed using E. crassipes. Plants significantly enhanced dissipation of TCs in solution. Hence, interaction of TCs and Cu should be taken into consideration when judging (1) an ecotoxicological potential of TCs and Cu residues in aquatic environments, and (2) removal efficiency of TCs and Cu in phytoremediation. © 2014 Elsevier B.V.

Liu Q.-N.,Jiangsu Synthetic Innovation Center for Coastal Bio agriculture | Chai X.-Y.,Jiangsu Synthetic Innovation Center for Coastal Bio agriculture | Bian D.-D.,Jiangsu Synthetic Innovation Center for Coastal Bio agriculture | Zhou C.-L.,Jiangsu Synthetic Innovation Center for Coastal Bio agriculture | Tang B.-P.,Jiangsu Synthetic Innovation Center for Coastal Bio agriculture
Genome | Year: 2015

The mitochondrial (mt) genome can provide important information for the understanding of phylogenetic relationships. The complete mt genome of Plodia interpunctella (Lepidoptera: Pyralidae) has been sequenced. The circular genome is 15 287 bp in size, encoding 13 protein-coding genes (PCGs), 2 rRNA genes, 22 tRNA genes, and a control region. The AT skew of this mt genome is slightly negative, and the nucleotide composition is biased toward A+T nucleotides (80.15%). All PCGs start with the typical ATN (ATA, ATC, ATG, and ATT) codons, except for the cox1 gene which may start with the CGA codon. Four of the 13 PCGs harbor the incomplete termination codon T or TA. All the tRNA genes are folded into the typical clover-leaf structure of mitochondrial tRNA, except for trnS1 (AGN) in which the DHU arm fails to form a stable stem-loop structure. The overlapping sequences are 35 bp in total and are found in seven different locations. A total of 240 bp of intergenic spacers are scattered in 16 regions. The control region of the mt genome is 327 bp in length and consisted of several features common to the sequenced lepidopteran insects. Phylogenetic analysis based on 13 PCGs using the Maximum Likelihood method shows that the placement of P. interpunctella was within the Pyralidae. © 2016 Published by NRC Research Press.

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