Characterization and Biocontrol Ability of Fusion Chitinase in Escherichia coli Carrying Chitinase cDNA from Trichothecium roseum

Abstract

The paper provides an empirical analysis of the macroeconomic factors that enhance revenue gap in South Africa using the multivariate cointegration techniques for the period 1965 to 2012. The results from the cointegration analysis indicate that the revenue gap in South Africa is negatively associated with the level of imports while positively related to external debt and underground economy. The former finding is consistent with the notion that imports are subjected to more taxation than domestic activities because of certain features of international trade that tend to make tax evasion difficult. On the other hand, the positive relationship between external debt and tax gap shows that the South African government relies upon external debt to finance its budget deficit resulting from missing revenues. Furthermore, the observed negative effect of the post-apartheid dummy confirms that the tax policy reforms that South Africa introduced following the liberation in 1994 have led to a reduction in missing revenues. The results from the Granger causality test also show that there is a unidirectional causality running from imports and underground economy to revenue gap, while revenue gap on the other hand is found to Granger-cause national income and external debt in South Africa.

Molecular characterization of an endochitinase from Bacillus thuringiensis subsp. konkukian

“…Chitinases have immense potential for biotechnological applications and may be used as biocontrol agents against phytopathogenic fungi as well as on important agricultural pest and vectors of diseases (Aktuganov et al 2008;Chernin et al 1995Chernin et al , 1997Kobayashi et al 2002;Liu et al 2008;Pan et al 2006). Several genera of bacteria, including Serratia (Mehmood et al 2009;Suzuki et al 2002;Watanabe et al 1997), Enterobacter (Chernin et al 1995), and Aeromonas (Wang et al 2003;Li et al 2007;Mehmood et al 2010) produce high levels of chitinolytic enzymes.…”

Purification and characterization of a chitinase from Serratia proteamaculans

“…Chitinases have immense potential for biotechnological applications and may be used as biocontrol agents against phytopathogenic fungi as well as on important agricultural pests and vectors of diseases (Chernin et al 1995(Chernin et al , 1997Chet and Inbar 1994;Jones et al 1986a;Kobayashi et al 2002;Pan et al 2006). Several genera of bacteria, including Serratia (Suzuki et al 2002;Watanabe et al 1997), Enterobacter (Chernin et al 1995), and Aeromonas (Wang et al 2003), produce high levels of chitinolytic enzymes.…”