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Title of Journal: Protoplasma

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Abbravation: Protoplasma

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Springer Vienna

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DOI

10.1007/s11015-009-9168-6

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1615-6102

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Advances in Emphasis Type="Italic"Agrobacterium

Authors: Roshan Kumar Singh Manoj Prasad
Publish Date: 2015/12/10
Volume: 253, Issue: 3, Pages: 691-707
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Abstract

Steady increase in global population poses several challenges to plant science research including demand for increased crop productivity grain yield nutritional quality and improved tolerance to different environmental factors Transgenebased approaches are promising to address these challenges by transferring potential candidate genes to host organisms through different strategies Agrobacteriummediated gene transfer is one such strategy which is well known for enabling efficient gene transfer in both monocot and dicots Due to its versatility this technique underwent several advancements including development of improved in vitro plant regeneration system cocultivation and selection methods and use of hypervirulent strains of Agrobacterium tumefaciens harbouring superbinary vectors The efficiency of this method has also been enhanced by the use of acetosyringone to induce the activity of vir genes silver nitrate to reduce the Agrobacteriuminduced necrosis and cysteine to avoid callus browning during cocultivation In the last two decades extensive efforts have been invested towards achieving efficient Agrobacteriummediated transformation in cereals Though highefficiency transformation systems have been developed for rice and maize comparatively lesser progress has been reported in other graminaceous crops In this context the present review discusses the progress made in Agrobacteriummediated transformation system in rice maize wheat barley sorghum sugarcane Brachypodium millets bioenergy and forage and turf grasses In addition it also provides an overview of the genes that have been recently transferred to these graminaceous crops using Agrobacterium bottlenecks in this technique and future possibilities for crop improvementThe authors’ work in the area of millet genomics is supported by the core grant of the National Institute of Plant Genome Research NIPGR New Delhi India Mr Roshan K Singh acknowledges the Council of Scientific and Industrial Research Government of India New Delhi for awarding Research Fellowship The authors also acknowledge Mr Mehanathan Muthamilarasan NIPGR for his helpful suggestions

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