Pongamia pinnata: An Untapped Resource for the Biofuels Industry of the Future

Scott, Paul T.; Pregelj, Lisette; Chen, Ning; Hadler, Johanna; Djordjevic, Michael A.; Gresshoff, Peter M.

doi:10.1007/s12155-008-9003-0

Cited by 245 publications

(182 citation statements)

References 56 publications

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“…Besides the advantage of not being a food crop, Pongamia can be grown on low agriculturally productive lands not suitable for food crops, particularly lands with high levels of salt, low soil fertility and little water. In addition, through its ability to capture and convert nitrogen from the air, and phosphorus through mycorrhizal interactions on its roots this legume tree enriches soils with low nitrogen levels and eliminates the need for nitrogen fertilizer (Scott et al 2008).…”

Section: Introductionmentioning

confidence: 99%

Cytokinin preconditioning enhances multiple shoot regeneration in Pongamia pinnata (L.) Pierre - a potential, non-edible tree seed oil source for biodiesel

Belide¹,

Sajjalaguddam²,

Paladugu³

2010

Electron Journ of Biotechnol

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An efficient, highly reproducible protocol for multiple shoot induction and plant regeneration of Pongamia pinnata has been successfully developed using cotyledonary node explants. This study also demonstrates that preconditioning of explant stimulates production of multiple shoots from cotyledonary nodes of P. pinnata. The highest direct shoot regeneration (90%) with an average of 18.4 ± 3.1 shoots/explant were obtained when cotyledonary node explants were excised from seedlings germinated on Murashige and Skoog (MS) media supplemented with benzyladenine (BA) 1 mg l -1 , and subsequently cultured on MS media with 1 mgl -1 thidiazuron (TDZ). Scanning electron microscope observations of cotyledonary node (CN) explants excised from pre-conditioned and normal seedlings, revealed larger buds with rapid development in BA-preconditioned CN explants. The addition of adenine sulphate significantly increased the average number of shoots per explant. The highest direct shoot regeneration (93%) with an average of 32.2 ± 0.93 shoots/explant was obtained from BApreconditioned CN when cultured on MS media supplemented with 1 mg l -1 TDZ and 200 mg l -1 adenine sulphate (ADS). Repeated shoot proliferation was observed from BA preconditioned CN explants up to 3 cycles with an average of 15 shoots/explant/cycle when cultured on MS media supplemented with 1 mgl -1 TDZ and 150 mg l -1 L-glutamine, thus producing 45 shoots/CN explant. Shoots were elongated on hormone free MS media and rooted on ½ MS media supplemented with 1 mg l -1 of IBA. Rooted shoots were successfully acclimatized and established in soil with 80% success. The highly regenerative system developed in this investigation for this important tree could be a useful tool for genetic transformation.

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Section: Introductionmentioning

confidence: 99%

Cytokinin preconditioning enhances multiple shoot regeneration in Pongamia pinnata (L.) Pierre - a potential, non-edible tree seed oil source for biodiesel

Belide¹,

Sajjalaguddam²,

Paladugu³

2010

Electron Journ of Biotechnol

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“…However, there is a large phenotypic diversity in this species, thus providing an opportunity for genetic improvement (Kaushik et al 2007). Scott et al (2008) reported wide genetic diversity in plants collected from India and Australia on the basis of DNA fingerprinting. Moderate levels of genetic diversity within and between populations were observed based on RAPD (Kesari et al 2010).…”

Section: Molecular Characterizationmentioning

confidence: 99%

“…It is naturally distributed along the coasts and river banks in India and Myanmar (Janardhanan et al 2003). P. pinnata is indigenous to the Indian subcontinent and has been successfully introduced to humid tropical regions of the world as well as parts of Australia, New Zealand, China and the United States (Wani et al 2006;Scott et al 2008). It is a nitrogen-fixing hardy tree with tolerance to a wide range of abiotic stresses like drought, frost, heat, limestone, salinity, sand and shade.…”

Section: Introductionmentioning

confidence: 99%

Biochemical Characterization and Genetic Diversity of Pongamia pinnata (L.) Pierre in Eastern India

Kumari¹,

Sinha²,

Singh³

et al. 2013

Journal of Forest and Environmental Science

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Biochemical characteristics of 24 Pongamia pinnata genotypes (candidate plus trees) from three agroclimatic zones were estimated and molecular characterization through RAPD markers was done. Various biochemical characters viz. seed oil, total carbohydrates, protein, acid value and Iodine number recorded significant variation among different genotypes. The highest seed oil content was 41.87% while seeds of 14 genotypes recorded above average (32.11%) for the trait. Seed oil and protein content exhibited a significant positive correlation and moderate heritability. Out of the initially selected twenty-five random primers, twenty-two RAPD primers were found to be highly reproducible and produced a total of 183 loci of which 147 (80.32%) loci were polymorphic. Percentage of polymorphism varied from 44% to 100% with an average of 80.62%. High level of genetic variation was found among different genotypes of P. pinnata.Both molecular and oil content (biochemical) markers appeared useful in analyzing the extent of genetic diversity in Pongamia and the result of these analyses will help to better understand the genetic diversity and relationship among populations. Overall, the Pongamia genotypes included in the study showed a correlation with their geographical origins such that genotypes from the same region tend to have higher genetic similarity as compared to those from different regions. However, in UPGMA based Nei's analysis, some genotypes were found not to be grouped based on geographical origins possibly due to the exchange of germplasm over time between farmers across the regions. The results from oil content analyses showed that several genotypes in 'Central and Western Plateau' agroclimatic zone of Jharkhand displayed a good potential for high oil content. The study provides insight about P. pinnata populations in Jharkhand (India) and constitutes a set of useful background information that can be used as a basis for future breeding strategy and improvement of the species.

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“…[1][2][3] These predicted scenarios make for a troubled planet within the next 40 years or so. Major mishaps such a pandemic disease and military conflict may alter the projections, but neither of these is really of long-term effect.…”

Section: Introductionmentioning

confidence: 99%

A new bioenergy crop based on oil-rich seeds from the legume tree <em>Pongamia pinnata</em>

Gresshoff¹,

Rangan²,

Indrasumunar³

et al. 2017

EECT

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Any informed discussion on the future sources of energy in our world requires the consideration of renewable biofuels. These are produced by biological processes, such as plant growth based on photosynthesis and microbes using waste products from diverse origins. Many biofuels, such as ethanol produced from plants like sugarcane, are seen as sustainable, such paradigms should be critically analyzed in terms of total inputs. The legume tree Pongamia pinnata (also called Millettia pinnata) offers a substantiated opportunity for a sustainable biofuel feedstock. It is characterized by fast plant growth, broad tropical and subtropical growth habitat, and high annual yields of oil-rich seed. Annual yield of the seed-extracted oil, rich in the monounsaturated fatty acid oleic acid (C18:1), is between 1,000 and 5,000 L/ha, depending on local conditions, including rainfall, temperature, and soil. It can be burnt in bioenergy generators to yield electrical output. It can also be converted to biodiesel by transesterification for transportation and industrial use. Conversion to aviation jet fuel by hydrogenation and subsequent purification is also possible. The legume nature of the plant allows it to harbor nitrogen-fixing soil bacteria (broadly called "rhizobia") in newly induced root organs called nodules. This symbiosis makes the energy inputs considerably less than those seen with nitrate fertilizer -requiring biofuel feedstocks, such as corn, sugarcane, and canola. Combined with general characteristics of plant, such as abundant seed set and large oil-rich seed, secondary products, such as seed meal and vigorous growth characteristics, make this tree an excellent candidate for sustainable bioenergy production in many parts of the globe.

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Pongamia pinnata: An Untapped Resource for the Biofuels Industry of the Future

Cited by 245 publications

References 56 publications

Cytokinin preconditioning enhances multiple shoot regeneration in Pongamia pinnata (L.) Pierre - a potential, non-edible tree seed oil source for biodiesel

Cytokinin preconditioning enhances multiple shoot regeneration in Pongamia pinnata (L.) Pierre - a potential, non-edible tree seed oil source for biodiesel

Biochemical Characterization and Genetic Diversity of Pongamia pinnata (L.) Pierre in Eastern India

A new bioenergy crop based on oil-rich seeds from the legume tree <em>Pongamia pinnata</em>

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