Contents

IN THIS ISSUE

127	In this issue

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EDITORIAL

129	Sprinting before we stand
	P. Balaram

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CORRESPONDENCE

131	Fate of agricultural postgraduates in India
	B. Raja
131	Indian scholars boost S&T research in Taiwan
	Minna J. Hsu and Govindasamy Agoramoorthy
132	Recognition of merit
	P. Mohanty-Hejmadi
132	Managing water
	T. N. Narasimhan; response by S. K. Gupta and R. D. Deshpande

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NEWS

134	Primes in arithmetic progression
	S. G. Dani
134	Landslide disaster of 24 September 2003 in Uttarkashi
	S. Sarkar, D. P. Kanungo and P. K. S. Chauhan

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SCIENTIFIC CORRESPONDENCE

138	New African violets ( Saintpaulia ionantha, H. Wendl.) induced by colchicine
	K. A. C. N. Seneviratne and D. S. A. Wijesundara
140	Limnocharis flava (L.) Buchenau (Alismataceae) – a little known and troublesome weed in Andaman Islands
	K. Karthigeyan, R. Sumathi, J. Jayanthi, P. G. Diwakar and G. S. Lakra
141	Piper sarmentosum Roxb. – An addition to the flora of Andaman Islands
	Sam P. Mathew, A. Mohandas and G. M. Nair
142	Glossiphonia weberi , an effective predator of the freshwater limpets Ferrissia baconi
	G. Aditya and S. K. Raut
144	Natural gas at shallow depth in the placer sands of Amalapuram coast, East Godavari district, Andhra Pradesh
	M. Nageswara Rao, T. Desapati, A. V. Subrahmanyam, R. D. Deshmukh, G. Viswanathan and R. M. Sinha

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146	From the archives

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GENERAL ARTICLE

147	Hydrocarbon production from fractured basement formations
	Anirbid Sircar

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REVIEW ARTICLES

152	Exemplars of proteins
	Jayanth R. Banavar and Amos Maritan
159	Molecular markers in herbal drug technology
	Kalpana Joshi, Preeti Chavan, Dnyaneshwar Warude and Bhushan Patwardhan

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SPECIAL SECTION: MEMBRANE PROTEINS

166	Architecture of a membrane protein: The voltage-gated K + channel
	Anurag Varshney and M. K. Mathew
175	Application of fluorescence spectroscopy to membrane protein structure and dynamics
	Amitabha Chattopadhyay and H. Raghuraman
181	Energetics of insertion of soluble proteins into membrane
	Abhishek Mathur, Anurag Sethi, Vishwanath Jogini, Yogesh Bhargava, B. L. Tembe and Anil K. Lala
190	The structure and mechanism of the TolC outer membrane transport protein
	Luca Federici, Fabien Walas and Ben Luisi
197	Folding and structural stability of OmpC from Salmonella typhi: Role of LPS and environment
	A. Arockiasamy, P. D. Kumar, N. Sundara Baalaji, M. R. Rukmini and S. Krishnaswamy
203	Interaction of bovine seminal plasma proteins with model membranes and sperm plasma membranes
	Musti J. Swamy
212	Protein palmitoylation and dynamic modulation of protein function
	Joyoti Basu

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REVIEW ARTICLE

218	Optical characterization and imaging of biological tissues
	R. Srinivasan, D. Kumar and Megha Singh

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RESEARCH COMMUNICATIONS

228	A compact holographic optics-based interferometer
	A. K. Aggarwal, Sushil K. Kaura, D. P. Chhachhia and A. K. Sharma
232	Theoretical design for a light-driven molecular motor based on rotaxanes
	K. L. Sebastian
235	Effects of erosion on stable thrust wedges: A new perspective in sandbox analogue modelling
	K. K. Agarwal and G. K. Agrawal
239	Development of single-molecule tracking confocal microscope combined with force spectroscopy for gene-expression analysis
	Deepak Kumar Sinha, Dipanjan Bhattacharya, Bidisha Banerjee, Feroz Meeran Hameed and G. V. Shivashankar
244	Cloning and expression of AmphiSRP19, a homologue of SRP19 from amphioxus Branchiostoma belcheri tsingtauense
	M. Liu, S. Zhang, Z. Liu, Y. Wang, H. Li and A. Xu
248	Effect of salinity on larval growth of horseshoe crab, Tachypleus gigas (Müller)
	A. Chatterji, S. Kotnala and R. Mathew
250	Estimation of geothermal gradients and heat flow from Bottom Simulating Reflector along the Kerala–Konkan basin of Western Continental Margin of India
	Uma Shankar, N. K. Thakur and S. I. Reddi

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BOOK REVIEWS

254	Free Boundary Problems: Theory and Applications by P. Colli et al.
	re viewed by Deepak Dhar
254	Technology Transfer: Strategic Management in Developing Countries by Goel Cohen
	reviewed by Y. S. Rajan

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ADVERTISEMENTS

256	Department of Science and Technology INVITATION OF PROPOSALS UNDER THE GREEN CHEMISTRY PROGRAMME
257	Government of India Department of Biotechnology Ministry of Science & Technology
258	ASM Molecular Ecology of Biodegradation Short Course Institute of Microbial Technology (CSIR), Chandigarh, India
258	Centre for Advanced Studies in Botany
259	SERC School in Chronobiology
259	HIGH PRESSURE LOW TEMPERATURE LAB DEPARTMENT OF PHYSICS, BHARATHIDASAN UNIVERSITY
260	CENTRE FOR EARTH SCIENCE STUDIES
260	Institute of Informatics & Communication (IIC) UNIVERSITY OF DELHI SOUTH CAMPUS
261	Kerala Agricultural University
261	University of Allahabad
262	NATIONAL INSTITUTE OF ADVANCED STUDIES
262	Sri Venkateswara Institute of Medical Sciences
263	Karnataka State Sericulture Research and Development Institute
263	PROPOSAL INVITED FOR NEW IDEA FUND
264	REFRESHER COURSE IN EXPERIMENTAL PHYSICS
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