196 research outputs found

    Thank you reviewers- CytoJournal 2006

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    The Editorial Board of CytoJournal devotes significant efforts, time, and resources to review numerous manuscripts. As it is impossible to include all the experts on the editorial board, there is always a need for additional peers who are requested to join periodically to act as 'academic editors' and reviewers. We take this opportunity to thank all the reviewers and academic editors who offered their time and efforts by participating in peer-review process for CytoJournal manuscripts. We request their continued enthusiasm to support this important academic exercise

    Swarming Behavior in Plant Roots

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    Interactions between individuals that are guided by simple rules can generate swarming behavior. Swarming behavior has been observed in many groups of organisms, including humans, and recent research has revealed that plants also demonstrate social behavior based on mutual interaction with other individuals. However, this behavior has not previously been analyzed in the context of swarming. Here, we show that roots can be influenced by their neighbors to induce a tendency to align the directions of their growth. In the apparently noisy patterns formed by growing roots, episodic alignments are observed as the roots grow close to each other. These events are incompatible with the statistics of purely random growth. We present experimental results and a theoretical model that describes the growth of maize roots in terms of swarming

    Long-Term Quality of Life Improvement in Subjects with Healed Erosive Esophagitis: Treatment with Lansoprazole

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    Gastroesophageal reflux disease (GERD) is a chronic symptomatic condition and may be associated with erosive esophagitis (EE). Considerable data on the long-term maintenance of healing of EE are available, but data on long-term GERD symptom prevention and patient quality of life (QOL) are limited. To investigate QOL in subjects with healed EE who received 12 months of double-blind maintenance treatment with lansoprazole or ranitidine, followed by long-term open-label lansoprazole therapy to prevent recurrence of EE. Subjects with healed EE received 12 months of double-blind maintenance treatment with lansoprazole 15 mg once daily or ranitidine 150 mg twice daily, followed by dose-titrated, open-label lansoprazole therapy for up to 82 months. During double-blind treatment (n = 206), lansoprazole-treated patients showed significantly (P ≤ 0.05) greater improvements than ranitidine-treated patients in the frequency, severity, and ‘bothersomeness’ of heartburn, the symptom index, problems of activity limitation, eating and drinking problems, symptom problems, health distress, and social functioning. During dose-titrated, open-label treatment (n = 195), all disease-specific QOL scales except sleep improved significantly (P < 0.001) from open-label baseline at each time-point. Maintenance treatment with lansoprazole for 12 months in healed EE subjects produced significantly greater improvements in QOL indicators than ranitidine. These improvements were sustained during dose-titrated, open-label lansoprazole treatment
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