Agro-industrial residues and starch for growth and co-production of polyhydroxyalkanoate copolymer and &amp;#945;-amylase by Bacillus sp. CFR-67

Shamala, T. R.; Vijayendra, S. V. N.; Joshi, G.J.

doi:10.1590/s1517-83822012000300036

Cited by 40 publications

(9 citation statements)

References 13 publications

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“…MLB have been investigated for the production of biohydrogen [19,20], biogas/methane [21][22][23], polyhydroxyalkanoates [24,25], microbial enzymes [25][26][27] and some power, heat, and cooling applications [13,[28][29][30][31]. Biomass has also been used in combination with coal for power generation solely [32,33], and for combined heat and power (CHP) systems [34].…”

Section: Mixed Biomass Conceptmentioning

confidence: 99%

Mixed Feedstock Approach to Lignocellulosic Ethanol Production—Prospects and Limitations

2016

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Lignocellulosic ethanol is a promising alternative to fossil-derived fuels because lignocellulosic biomass is abundant, cheap and its use is environmentally friendly. However, the high costs of feedstock supply and the expensive processing requirements of lignocellulosic biomass hinder the development of the lignocellulosic biorefinery. Lignocellulosic ethanol production so far, has been based mainly on single feedstocks while the use of mixed feedstocks has been poorly explored. Previous studies from alternative applications of mixed lignocellulosic biomass (MLB) have shown that their use can bring about significant cost savings when compared to single feedstocks. Although laboratoryscale evaluations have demonstrated that mixed feedstocks give comparable or even higher ethanol yields compared to single feedstocks, more empirical studies are needed to establish the possibility of achieving significant cost savings in terms of pre-biorefinery logistics. In this review, some potential benefits of the use of MLB for ethanol production are highlighted. Some anticipated limitations of this approach have been identified and ways to surmount them have been suggested. The outlook for ethanol production from MLB is promising provided that revolutionary measures are taken to ensure the sustainability of the industry.

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Section: Mixed Biomass Conceptmentioning

confidence: 99%

Mixed Feedstock Approach to Lignocellulosic Ethanol Production—Prospects and Limitations

2016

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“…The batch cultivation is performed from range starting from 100ml working volume at laboratory scale [16,28] to 15000L working volume at industrial scale [59]. Alcaligenes latus (BIOPOL, the first commercially produced biopolymer from Alcaligenes latus [60]), Ralstonia eutropha, Aeromonas hydrophila, Burkholderia sp.…”

Section: Batchmentioning

confidence: 99%

Process Parameters for Influencing Polyhydroxyalkanoate Producing Bacterial Factories: An Overview

Girdhar¹,

Bhatia²,

Nagpal³

et al. 2013

J Pet Environ Biotechnol

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The ever increasing potentialities of petroleum plastics with respect to lack of degradation, inability to recycle and the toxic effects of incineration, has urged to design biodegradable polymers, often called Green Plastics. These biodegradable plastics are promiscuous due to their analogous properties and environmental friendliness. Bacterial factories and Plants being their natural sources for production made them a promiscuous solution. Fermentation is the procedural technology used with certain fillers that are known to enhance the chemo-mechanical properties. The process at the industrial level is not well accepted due to the certain lacunas. The review mainly focuses to assimilate a few researches that implicate the best known process parameters for Batch, Fed-batch, Continuous and Two stage modes of fermentation without compromising the downstream processing at commercial level.

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“…Bacillus megaterium R11 PHB Zhang et al [31] Bacillus megaterium strain JK4h PHB Dhangdhariya et al [32] Bacillus mycoides RLJ B-017 PHB Borah et al [33] Comamonas testosteroni PHB Thakor et al [34] Cupriavidus necator H16 PHB Batcha et al [35] Cupriavidus necator H16 PHB Obruca et al [36] Haloferax mediterranei PHB Huang et al [37] Ralstonia eutropha H16 PHB Kahar et al [38] Recombinant Escherichia coli arcA PHB Nikel et al [39] *Recombinant Aeromonas hydrophila 4AK4 P(3HB-co-3HHx) Tian et al [40] *Recombinant Ralstonia eutropha H16 strain P(3HB-co-3HHx) Kahar et al [38] *Recombinant E. coli DH5α P(3HB-co-3HHx-co-3HO-co-3HD) Li et al [41] Bacillus sp. P(3HB-co-3HV) Shamala et al [42] Bacillus sp. 256 P(3HB-co-3HV) Kumar et al [43] Brevibacillus invocatus MTCC 9039 P(3HB-co-3HV) Sankhla et al [44] Cupriavidus necator P(3HB-co-3HV) García et al [45] Halomonas campisalis P(3HB-co-3HV) Kulkarni et al [46] Methylobacterium sp.…”

Section: Synthesismentioning

confidence: 99%

Bacterial Production of Hydroxyalkanoates (PHA)

Prados¹,

Maicas²

2016

ujmr

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The dependence of plastic materials is an increasing problem. Although plastics are very useful for humankind many disadvantages derived from the difficulties linked to recycling and disposal are well known. A feasible alternative is the production and use of bioplastics. These compounds have multiple options at the end of his life that can ensure their safety and efficacy of reuse or recovery. For example, raw materials can be returned to the manufacturer for recycling. Bioplastics synthesized through biotechnology include mainly polyhydroxyalkanoates (PHAs), common lipoidic storage materials accumulated by prokaryotes. Some processes for producing PHAs by fermentation using microorganisms have been developed at a different extent. However, biopolymers (PHA) market is under development, and therefore cannot compete with traditional plastics since manufacturing is still more expensive. In this review we have focused on the study of the production processes of bioplastics where bacteria are present, also describing the scaling to industrial level aspects and future trends.

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Agro-industrial residues and starch for growth and co-production of polyhydroxyalkanoate copolymer and α-amylase by Bacillus sp. CFR-67

Cited by 40 publications

References 13 publications

Mixed Feedstock Approach to Lignocellulosic Ethanol Production—Prospects and Limitations

Mixed Feedstock Approach to Lignocellulosic Ethanol Production—Prospects and Limitations

Process Parameters for Influencing Polyhydroxyalkanoate Producing Bacterial Factories: An Overview

Bacterial Production of Hydroxyalkanoates (PHA)

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